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Smart's Mill Middle School Geometry Semester Exam Review 2012 - 2013 You must show your work to receive credit! Mrs. Anderson and Mrs. Cox A note to remember, for this review AND the actual exam: It is always helpful to draw a picture. I encourage you to do that for any problem a picture is not given. GOOD LUCK. Name: Date: \3 Period: 8 Geometry Semester Exam Review th 1 , , I 1. A line segment contains J. ~~ Part 1. Fill in the blank. G..i<'\ 0.. ~ :-\-hL 2. If AM = MB and points A, M and B are collinear, then' O~-\p 3. In a triangle, the smallest angle is (where?) I. ~~ 'rul..~. \ OS ~ ",",'\c:\~~~ S~~ ~\~ %~ r-..J 4. If two parallel lines are cut by a transversal, all corresponding angles are - - - - 5. If A is between B and C and are collinear, then ~Pr- ~ ~c:.. ~ -::. Cd ~ Land ~ _S-=-S..=.....S=--\-\--=S~~--=S=-+l ?i.:.-..L.aSd..~~\~\ _4...:--_\l.-~--:!.......fV~s~_ C'() are methods to prove triangles congruent. ~",~" 5 The intersection of two planes is a __ -"_""'---=~-"'-=--_ 6. A right triangle has (what types of angels?) \ 7. 8. s::::s \ :. 9. In quadrant \ , the x and y coordinates are both negative. 10. Acute angles measure ~ ~ C\\:)\) 11. Equiangular triangles are also ~~~I~~-+""'=::::~~~f"U.~~~ ~ 12. Parallel lines have the same 13. The intersection of two lines is a ~~'\:.; ('..) 14. If two angles are supplements of congruent angles, then the two angles 05\L:= ~. ~ 15. Corresponding sides of congruent triangles 16. ~ :ew lines are _~~~__'-'~~~~.l..L-and 17. The slope of a horizontal line is (t.Qc...+c..] .~ ~t ~~)!\\ . r.:t "Z...sLr'\ 18. Two angles are complementary if---,-,-~",,--,-_==.:...:. 19. The angles in a triangle sum to -=--()~~ -, _ _ -- and_..d.:\~~~~L...!..~~~-4~..!>d...C~~~---S~JF;!!~u..!.~~~~ 21. An isosceles triangle has a!), ~~\:J and --""""---'-~"'-'-"'~!.-l---'~"'='---":::-=--------- rv 20. Vertical angles are .3 -=:.- \~ 22. An equilateral triangle has ~ L-S 23 ;-If a-conditional statement is false, then sois its _~~~~~~~"y,.:!:,b~~ _ 24. The hypotenuse of a right triangle is opposite the _--.S=D"-'-'\,"",~7~~~_'- ' _ 25. If two sides of a triangle have length 4and 6 then the third side must be 26. A(n) '\ 6 \ 27. The slope of a vertical line is \ D• of a right triangle is the longest side. • wd>, ~I,,-X\~d.. 28. In a triangle, the largest angle is ---.!~~~~L~n~_~~~~~L-":~~.j~~ 29. Two lines that are not parallel or skew are _-'--_==--='-'=-"=0-=>,- 30. The three medians ofa triangle intersect _==-------'--'---'=---'=S...:::....;-=-:.=....:...=='---_ and 32. If two lines are parallel, then alternate interior angles are _-=I'">J=2 ~===:I==:'__~ -or ~~~~~ 31. When two parallel lines are cut by a transversal, the exterior angles are Geometry Mid-Term Review 2006 - 2007 _ _ ~A~--o I Part n. Free response by chapter.! 'l'rue or false. Chapter 1 "0.)\ ~~ __ -o-~ I D~-----=';Q ~ :G Points A, B and H are collinear. bL 4. Points E, J and F are collinear. \-..f",\.J.JL. ):J_hm.mu.u_ u_ H '2". Point A lies on line m. s:.-- ~ 5. Point C lines on line I. E ~ E' J 3. Points B, C and H are coplanar.~ ~ 6. Plane ABC and plane BCF intersect at point B. t=~~~_ For questions 7 - 11, refer to the diagram at the r ~ 7. Name the intersection of CD and plane P. _I<.---::U):=.:L<<-8. If TBand _ TC were drawn, what would be their intersection? _,__ o~ --::1)-'-::::.''---==-- 9. Name the intersection ofline 1 and CD. c 10. Name four noncoplanar points. -~=-'-t:s=>'-~-=-----'---------''--11. Write another name for plane P. ..Ji,,;l..~~'l..~''''-~ ~~ _ For questions 12, write the following using symbols. Donot draw. 12. a. perpendicular d. parallel a. line segment AB ~ e. the length of line segment CD - - - ' - - ' = - - b. angle EFG L ~ G f. the measure of angle HIJ .....:...>.....:..t...---..:e...:....:;,=-_ J- 13. Find the length of the segment with endpoints H(2, 3 h -3 + C~-2..\ L. 1 14. Find the midpoint of the segment:MN with endpoints M(8, 9) and N(-2, 1). ~.::1<;......\ z.. F luestions 15 - 17, determine whether each statement is true of false. 1. ~-I5. IfB is between M and T, MB = BT - MT. S; c~ 16. IfC is the midpoint of AT, then CT = ! TA.~-..5\\A.9.- 17. Every segment has only one bisector. ~~ 18. If mL1~4(mL2),find mL2. 2 2Ju,b c..,.T ~ < L.\i.+-)( -:- \~ 5x-=-\~D )(-;.3lJ, 19. Find mLABC if BDbisects LABC,mLI = 5x-ll and mL2 = 3x+5. For questions 20 - 23, refer to the figure at the right. 20. Name two right angles. 'L f:\QC-..e 21. Name two supplementary angles.. L '-.--,,-~:..=:!!: 22. Name two congruent angles that are not right angles. . ~\) _L--,=~ 23. Name the obtuse angle. . L h A~ 'G 116 39 25 -=="~:;>() 0 25" 0 65 0 c 24. The measure of an angle is three times the measure of its supplement. Find the measure of the angle. 3 )(+ ~ -=- \1(0 L: ~ 0 - S~ 25. Find the value of y. A L-\S j -:::- \\) 26. Find mL2 if mLABC = 75 and mLI = 16. _ ..... 5""""9-'-° _ 27. Find the value ofx if if mLABC =6x, mL1 = 2x+5, andmL2 =3x-1. Geometry Mid-Term Review 2006 - 2007 S 't- -t \.1 -=- \Jd ~~l.\ 2 B 1 1 JLP15 c:r-n----o.,...-,~ D Chapter 2 For questions 1 - 3, determine if the conclusion is true or false based on the given information. 1. Given: LARD and LCBD are adjacent angles. Be and BA are opposite rays. _-tp---l...\ Conjecture: LABD and ,iCBD are supplements< ;f---- 2. -- lO-c... Given: PQ 1- PR. Conjecture: LRPQ is a right angle. - =~,- - \J.JL. - =- _ A Q, ~~ r 3. Given: J, K and L are collinear. Conjecture: JK + KL = JL. For questions 4 - 6, write the statement in if-then form. 4. Two lines intersect exactly one point. f'\-==I~~~~7~:====~===~C=;~~:~?~~~E=~~ 5. All tigers are cats~ Q ) ( \ " s. 6. All right angles measure 90 egrees. --:::L.~ ~ L - s ..J"\~-\; '\ ~ ~~ Write the converse, inverse and contraposltive of the conditionaf statement. :3= 7. Vertical angles are Converse~£ congruent.-::L-~,3- l-S Q.J\.). L-S ~;;r, ~m Inverse:~ ~ '-'5 OJ\J- ~\:)t \~ ' , \ Contrapositive:~ t~- 1\;' ~ \,) ~Db ~-,co.S) \ -\-'~ ~'?b Q...r\.Q..... . t>..r\L V ..II..J',~ \ crl . "-.J -= ~ (~± -=: ~ ' t \J~~ ('9 Q j\\t> Complete the following statements. 8. A plane contains _~~\~'\:=-_~~~~~_..,---l..L_~~~~~~~J£:~~:..L_U~..ss::~2.... 9. A line contains Q,...,-\- ~ m l>\-, ~ If possible, write the conclusion. State the law of logic that you used, or write "no conclusion". 10. a) If you have a driver's license, then you may drive a car. b) Cindy has a driver's license. 1 c)~' f"S'o~ - 0.. 11. a) If AB;:, CD, then CD;:, AB . - - b)_JLCD_;:'.AB_,.Jhen CD = AB. c) -r: \-=N - N 12. a) All right angles are congruent. b) Vertical angles are congruent. c)~ For questions 13 - 15, name the property of equality that justifies each statement. 13. If mLA + mLB =180 and mLA =11 0, then 11 0 + mLB =180 . 3»X?9\-Yb 2r-J t>(\ 14. If AB = CD, then CD = AB. _ _ 3~'\ .r'-"-~""""",,,-,,-,-.=..._------------""3'" 1 - ~ 15. If mLK =-mLL then 2mLK =mLL._:-...:.....::.....:..:~~~~~~~LA2 16. In the conditional "Ifp, then q", the q is called the _~~~~~~~~ ix~ 17. Find the measure of Ll . Geometry Mid-Term Review 2006 <6 1 2007 -L~ ~O 0 ~----'",,;l-~U_ _ 5x-18 \01,... 4 C6~ ~\C\""L dl\ _ p Chapter 3 D }. How many pairs of skew lines does the figure at the right have? _ _~ ~!) I ~ ~ ~ CfL ~FT- ~ t>l=1- _ ~O \~c.. '10 \ P\) ex:- PB ~<:- ~ ~ D B ----=-==~ Refer to the figure below. State the transversal that forms each pair of angles. Then identify the special angle pair name. Y0 " nY 2.L5andL7 ~ ~0~~~\XS\..> 4 I \Y()3 A~ ~~;;~.* 5 2 B \4b 3. L4 LI and 4. and L8 LIO j~ ~ , ?bltD bD 4D 7 ~ 1 5. LI and L3 ~ ~~ ~ A 1~ ~ 6. L4 and L9 ~ ~"s"S,})q: 1~u-tJ'3V ~ yD.: IdJ D-- ~ 7. If mLI = 80, mL2 = 40, and III m, find the angle measures. () 0 I ;'0 mLII = 6U. mL3= \4D~mL4= L\D~mL5= \4[)~mL6=~inL7=J::ill,mL8=YDo,mL9=W ,mLIO= 40~ 1 ~ ;.in1"t~e value ofx and y. X=-4~ j -_ \4~ 9.r----~----.::;~ ~ -\-\-35 =.. \R-D m F" 1 ltr/ \ ~ Jr '6l.\ -:.. ~D 41..l":.~)( ~ -=- U'o \~S -::."3 x+\ the value of x so that p II q. 'J. =-10 ~ +d... -:.. \\0 ~'6 ~ \()~ j =- 3to )t -::..4r Y: -5 -:. ~~ x -=- 3'5 11. . J-- X-+-I +\ ~3 -::: \ ~\J J..x -\-\\t\ -=-\~D x -::.. tb 12. Tell whether a line whose slope is undefined is horizontal, vertical or neither. -t3~---Findthe-slope ofthe line passing through ("3, -O)-and-(2, -1). ___ -I \J ~-\=\ ~ ----=J_~=--~.::::-_ _ 5/ 3 ~----" 14. Find the slope ofa line parallel to the line passing through (5, -3) and (8, 2). 15. Find the slope of the line perpendicular to the line passing through (4, -3) and (1, -1). _ 3/2 "2-1-3 16. Write the equation of the line with a slope of 4 passing through (-1, 3). 17. Write the equation of the line parallel to y = ~ x +9 ~--=--\ Write the equation of the line perpendicular to y Geometry Mid-Term Review 2006 - 2007 _-"--_....=..::.>:.)(_4---'-----L ?:J -- 4L-\) ~Io passing through (-2, 3). _6~_-_.i.._L-_)(_ 'o~1...\ =.=!. x + 1 3 5 passing through (1, 4). --+----'~~----\ ~~3+-D '0 ~ \ I , Chapter 4 Determine whether each statement is true or false. 1. All isosceles triangles are acute. ~~ 2. An acute triangle can be equilateral. ----:l~ 3. A scalene triangle is never obtuse. ~ ..... 4. A right triangle can be isosceles. -:r:-l'"'\w....,. Use the given conditions to classify each triangle by its sides a 5. llWHO,withmLW=110, WH=WO=5cm. ~b.=:...~~~~_~....J...:!~~~ 6. llBAG, with mLB = 90, GB = 4 cm , BA = 3 cm. Find the value of x. 7. ~ ~-=-115x . ~>-3X_+_56 8. \?. 'l(-r 3k ~'-~D ~o \'L~--\UL\ X=-~ ~X -\-3\ -=- ~j(+Slv ~o ~~?S Write a congruence statement for the congruent triangles in each diagram. z ~ N Q Determine which postulate or theorem can be used to prove the triangles congruent. Always, sometimes or never. 13. An equilateral triangle is ~ W~~S) an isosceles triangle. 14. An isosceles triangle is ~ . equilateral triangle. 15. A triangle f\ ~ has one obtuse angle and one right angle. 16. An equilateral triangle is tJ ~ an obtuse triangle. 17. An equilateral triangle is &\,\\U<l..t ~ an acute triangle. 186 Find the value ofx and y. 4y ~C)~ x 19. ,A/ y.,:o\.fl ;j=-'&1. ~ 24 WJJ - ~~ 21. What is the vertex for LASe? Geometry Mid-Term Review 2006 2007 6 20. Chapter 5 UPrGL 1. Name the triangle for which GD is a median. '-- Name an altitude of e,.AGC. A f\Q:, D 3. Name a median to AG in e,.AGC. --- 4. Name a perpendicular bisector -ffi PT~ to triangle B ()---,--+---~--+--"'O C 5. Name an angle bisector. ~ to angle ~£1~c.... List the sides of e,.WXY in order from lon5est to shortest if the angles of e,.J¥XY have the indicated measures. 6. mLW=4x-15\~mLX=7x+3q4 mLY=3x-435" T F xc;:; \ ~ )( -"2. -=-\ ~ 7. mLW=5x+2l/()mLX=6x-5~b \ 'W.X -:.. \~"'Z- X-=- ~ mLY=48-2x ~%() qXt--45--\~D C\x-= X~ 'XW X~\S 8. Two sides of a triangle are 16 and 22 centimeters in length. Determine whether 39 centimeters can be N \J the length of the third side? 9. Two sides ofa triangle are 21 and 24 centimeters in length. Detennine whether 40 centimeters can be the length of the third side? Q Write the inequality relating eac< pair of measures. 10. 7 R mLPRQ mLPRS 11. 5 .1- I , A 9 _ _ mLABE 1 5 6--,-<'>---b---b D 6 C S Write an inequality to describe the possible values of L 12. ~ A X. 7 3 13. ~-8 5":""7-'~x-'6 Q (?) c Geometry Mid-Term Review 2006 - 2007 P ~y'7,? ~ X - 3~3)r- 2 7 3 \ x> Ijl, R XL ~D 15~ IX -\() 7.Jx+S 3x-2 10 15 ~x -5 S L 55 G is s ~ \35' X • \~ I Part ill: Multiple Choice Choose the best answer for each question. Chapter 1 C:~.?' ~d the length of the segment with endpoints L(-I, -3) and M(-6, 9). '\ \ ~13 B. 17 C. 5 D. 12 2. Points A, B and D A. determine a plane ,\J c. are contained in only plane P ~ ® r e collinear D. are noncoplanar points co B 3. What is the intersection of planes P and R. \? A points A, D and B @ D. AD C. AB AB R 4. What is the measure of QT ifR is between Q and T, QR = 14 and RT = 5? A. 10 B. 11 @19 D.9 Q\\5, C 5. Find the coor~es of the midpoint of the segment with endpoints D(6, 6) and £(-2,2). A. (3,4) r~2, 4) C. (4,8) D. (1, -1) ~ 6. ~at are the sides of L5?~ ~WGandWF '\) D , C 7. \ 11 WB and we ~andWF ~-_. and WF L5 and L6 are ~ adjacent '~and E B G B. vertical C. supplementary B. vertical C. supplementary A 7 L9 are ~djacent \? ~ D. complementary ~complementary Ll and L2 are B. vertical 11. Find mLl. A. 25 C. 175 D. linear pair C. complementary A. adjacent D. complementary @inearpair 155 D.5 12. If mLABD = 40 and mLABC = 110, find mLDBC. A. 150 B. 130 @70 D.80 C \\D c Fin mLRSU if ST bisects LRSU, mLl = 4x -12 and mL2 = 2x + 6. B A 48 C. 9 B. 18 D. 24 Geometry Mid-Term Review 2006 - 2007 , , Chapter 2 the converse of "If L1 == L2, then mL1 = mL2. ~If mL1 = mL2 , then L1 == L2 B. If L1 == L2, then L2 == L1 \ \ . C. If mL1 = mL2, then mL2 = mLl. ~ D. None of these 1. Ch~ 2. IdentifY the hypothesis of the statement "If today is Tuesday, then tomorrow is Wednesday." A. Today is not Tuesday B. Today is Wednesday Today is Tuesday . D. Tomorrow is Wednesday Q C9 3. IdentifY the if-then form of the following: All cars have four wheels. A. If a vehicle has four wheels, then it is a car. If a vehicle is a car, then it has four wheels. c. If a vehicle is not a car, then it does not have four wheels. D. None of these rL. ® \ 'J 4. Choose the statement that follows (1) and (2) by the law of detachment. (1) Right angles are congruent. (2) LA and LB are right angles A. mLA =90 D. mLA B. mLE =90 = mLB L 5. Which statement represents the law of syllogism. A. If P ~ q is a true conditional and p is true, then q is true. CJ-.... If p ~ q and q ~ r are true conditionals, then p ~ r is true. '\-) C. If a, lYahd 'c are real numbers, then"a(b +c) = ab +- ac. D. None ofthese ® \1....6. The transitive \..:..J A. b = a prope~ equality \!.)a = c states "If a = band b = c, then _ _ ". c. c = b D. b = b C- ~ 7. LP and LQ form a linear pair and mLP 62. Find mLQ. A. 62 B.28 @118 Geometry Mid-Term Review 2006 - 2007 D.90 9 , I Chapter 3 1. Given III m fA) 108 [A \ \Y 18 and mL2 = 72, find mL3. B. 72 D. 112 2. Given III m, mLl = 9x +5 and mL2 = x + 37, find the value ofx. (L A. 32 rB~4 '6)(-:=37 C. 41 39 X -:;:.- '-\ ¥ ':..J .. A right triangle must be A. isosceles B. acute C. scalene 1------;:-1'-----=m- 111m. D. In AABC, what is the angle opposite AB? A. CA B. LA C. LB e 2 ither isosceles or scalene ~ 5x - 7 and PR = 2x + 5. D. 4 legs of an equilateral triangle PQR ifP C. 12 Find the measures of A. 39 1 ... 3. Given mL4=5x+2 and mL5 =3x+28,findthevalueofxsothat A. 26 n c. 67 D. 75 Chapter 4 3 ~LC 4. In ADEF, if DE =:: DF and EF is the hypotenuse, then ADKF is A. acute and scalene B. right and scalene ~ right and isosceles D. obtuse and isosceles U V 5. The measures of two ~es ofa triangle are 38 and 47. What is the measure of the third ~mgle? A. 85 ~95 C. 133 D. 142 ().. 6. If AIGH =::AKlJ, then LH is congruent to -~ LJ B. Ll .C. LX \ CY CJ.... 7. V D. LL Which ofthe foIlowi~s not a postulate used to prove the congruence of two triangles? A. ASA ~ SSA C. SAS D. SSS 8. The measure of the v~_angle of an isosceles triangle is 120. That is the measure of the base angle? A. 60 ~O C. 35 D. 40 \::J 6 6 9. Name one additional pair of corresponding parts that need to be congruent in order to prove that Gn;;:::::; byAS~ C. LT=::LK. T 1}'",KO D. ST=::MK s Geometry Mid··Term Review 2006 - 2007 10 K p M 0 Chapter 5 1. Identify the median of LlABC . C A - - CE B. BF @AD D. GH F 2. IdentifY the altitude of LlABC . \\. n ~E B BF D. GH C. AD A H 3. In LlABC, if mLABF = 39 and BF is an angle bisector, find mLBCE. A 90 B. 51 T I C . 39 8 @12 \) 0..t. What is the longest side of the figure QUAD. \) A ./ ~ C@O B QU U 0 ·D.DA ¥10 D ;.) 5. In LlEFG, mLE= 6x - 8, mLF =7x + 3, and mL.G = 3x -7. Choose the list that shows the sides correctly o r d e @ f r o m s h o r t e s t t o l o e s t . \ I _ \ _ _ \ ' I.. . . ~ ~X~L·~ ~ F:,FG,EG B. F ,EG,GF --f\C -- -C. EG,GF,FE -- -D. GF,EG,FE \~)(- ~ .-t~ ~L \2 tt 6. ~ermine which set of numbers can be the measures of the sides ofa triangle. . ~13, 10, 16 B. 1,2,3 C. 5.2, 11,4.9 D. 208,9,219 wo sides ofa triangle have lengths 15 em and 19 em. Which measurement can be the length of the third side? em B. 4 em A C. 40 em D. 36 em e,)(+- 3"',( X.... -z..:"" 8. If the sides of a triangle have measures 3x + 4, 6x - 1 and 8x + 2, find all possible values ofx. ~A x>-l -7 3 B. X>- D. x>O X>- 11 5 "7 - 5...c,,-i\? Al \CJx+1. /~x+-\L\ @)4 J Geometry Mid-Term Review 2006 - 2007 L 11 4)(7\2. ,!"73 "3 )(7;'\\1 9. IfM is the midpoint of JK, mL.l > mL.2, JL = lOx +- 2, and LK = 6x + 14, which is a possible value of x? B. 2 C. 3 \ l L\ x+-\ -;. 3x+ \\'1 7 \\ y-l-Ul-' ~x- \ _ '( Properties State the property, theorem, postulate or definition used to make the conclusion. --3--6~~~~~=-'-'-"--"---------- 1. IfUV = VW, then VW = UV. 2. If L.Q is a right angle, then mL.Q is 90 0 • _\~~~~~~---=~~~~_L 22~ ~ 3. 2(x-50)=2x-100. 4. If L.1 and L.2areverticalangles, then L.1~L.2. V~ ~ I.-~ -.L ~. 5. If t .l- U , then L.2 is a right angle. 6. <~ _ B u~ 2 AB+BC=AC. a 7. If L.1 ~ L.2, then mL.1 = mL.2. 8. LA ~ LA. 10. T is the midpoint of SR, then ST ~ TR. 11. If L.1 ~ L.2 and L.2 ~ L.3 , then L.l ~ L.3. -----'\!::::~~::..:...~.~~~~W"'~~'??~--=:::~-"'-'-------- 12. If L.3 and L.4 are a linear pair, then they are supplementary. \)~ ~~~ J C\. \.f"t. 13. If AB bisects L.eAD, then L.CAB ~ LDAB . 14. If L.4 and L.5are supplementary, then mL.4+mL.5 =180. _"'==:~~"':"--ld--!5~~¥--~-15. If 111m, then mL.l+mL.2=180. 16. L.3 ~ L.4, then /11 m . 3 2 4 Geometry Mid-Term Review 2006 - 2007 m .. 12 R Proofs ,,1. Given: RFl. AT F is a midpoint of AT Prove: AAFR =ATFR Ad-----6-----bT F E 2. • D Given: EA II DC -EB=BC 1. 1. -:lI"'t=~~-;;---,-----------------2 '-_--z=:.....::~~~I--_.L___~_ 2. _~~~~~_=.....1_....L..C~~~0f"D~...l.. _ 3. ~-=....:......':,---=-~~---:::-4. _ _--1 3. --:;~----T-7~----------------4. _----'-"-'----'---- _ • z 3. Prove: ZV II IT Given: W is a midpoint of ZX VW=WY x Reasons Statements 1• 2. 3. 4. 2.'" -="---"-o.,4-=+-=-.>.=-c......-:.;i:'"'-_ _:.....A_ 1. --A-~-.::.....~---,..____----;:-----------2. ---"-"""""''Pr-::.p....=.F-~~~\=d,9''-''''''': ,\..".lO-,-~=-- _ 3. ~....::.=...-'---=-_--L..-S=----~~~-==-=rn""'\--'---''--------. 4. _--=-\,-~w.:-: . _ 5, 5. _ _~~..l-- 6. 6. 7. 7 ----'=~~ _ . _ --"'="O~::......:."'_'_______=::.......L_~"_"__'_=~"""=....._.._--------- Geometry Mid-Term Review 2006 2007 13 Given: 3(2x - 5) + 1 = 2(x - 3) 4. Prove: x= 2 Statements Reasons 1._---iT-.------;-----:-_--.---- _ 2._.",........-==-=-='---'-+-=....:;;;;::.=: _ 3.---:~~~~~~!.....l.---- 4._....".u~<p',~1.."..Jo.~"-L----- 5._-:::--'-..=..::.:=-..:"-"'-':""""""-'- _ 6._..........--'--.%-.-"-.=....:::.=..:.~ _ d Given: a II b LI ==L4 5. Prove: ell a 2 d _ - - - - - - - - - - t --------.+-~ 3 Statements - L a-I-I-b 2. LI == 3. L3 == 4. LI == 5. L3 == 6. Reasons ell L3 Ll L4 L4 d Geometry Mid-Term Review 2006 - 2007 14