* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download scalene triangle, isosceles triangle, equilateral triangle, acute
Survey
Document related concepts
Technical drawing wikipedia , lookup
Penrose tiling wikipedia , lookup
List of regular polytopes and compounds wikipedia , lookup
Euler angles wikipedia , lookup
Golden ratio wikipedia , lookup
Tessellation wikipedia , lookup
Perceived visual angle wikipedia , lookup
History of trigonometry wikipedia , lookup
Rational trigonometry wikipedia , lookup
Reuleaux triangle wikipedia , lookup
Trigonometric functions wikipedia , lookup
Euclidean geometry wikipedia , lookup
Transcript
Km- Name Class Period Know all vocabulary. Triangles . scalene triangle, isosceles triangle, equilateral triangle, acute triangle, right triangle, obtuse triangle, altitude, perpendicular bisector, angle bisector, median, incenter, orthocenter, centroid, circumcenter Quadrilaterals polygon, convex polygon, concave polygon, regular polygon, quadrilateral, parallelogram, rhombus, rectangle, square, kite, trapezoid, isosceles trapezoid, trapezoid legs, trapezoid bases, diagonals Know the ways to prove triangles congruent SSS, SAS, ASA, and AAS Know the ways to prove right triangles congruent LL, LA, HA, and HL o Be able to name an angle using three letters. Use the diagram to name the included angle between the given sides AD and DC. R © Be able to find the exterior angle sum, interiorangle sum [(n-2)180] of an n-gon, and one interior angle of a regular polygon. • Be able to identify a drawing of (a) altitude, (b) perpendicular bisector, (c) angle bisector, (d) and a median. I. True or False. 1• /"" 2. f Everyisosceles triangle is also anequilateral triangle. _ It is possible to construct an equilateral, right triangle. 3._r It is possibleto constructan obtuse, scalene triangle. 4. It is possible to construct a scalene, right triangle. -r c II. Multiple Choice. ' ' <&6 ^esr.rr'*-*^:-. • .•'• "•'.'•'.'•."...•X-:. -"• ••'•.'-•• ..r--"-.'•'*,_"•c'lr-; > v>:V"Jl^r.'<i; ^''ete^r.^-^sn.- 5.If all four angles ofa quadrilateral are congruent then the quadrilateral is definitely a_ A) Square /B^ectangle .„ C) Rhombus D) Trapezoid E)Kite 6. The diagonals ofa quadrilateral bisect each other. Which is the most specific name for the quadrilateral? /A)ljarallelogram B) Trapezoid QKite D) none ofthese 7. Which quadrilateral has four congruent sides? A) Trapezoid B) Rectangle (CJRhombus D) Parallelogram E)Kite 8. Which quadrilateral does not have congruent diagonals? A) Square B) Rectangle (Qjpte D) none ofthese 9. Identify the quadrilateral by the most specific name. d a A) Trapezoid B) Rectangle C) Rhombus D)Parallelogram 10. What is the measure of each of the interior angles of a regular octagon? A) 180° /B^sV C) 157.5° D)45° 11. A convex hexagon has six sides of various lengths. What is the sum of the measures of its interior angles? A) 1080° B)900° C)540° /D)J2f0o 12. The measure of each interior angle of a regular hexagon is A) 180° (B)>20o C)135° D) 112.5° E) Kite 13. A trapezoid hasbases of lengths 16 and 28. What is the measure of the midsegment of the trapezoid? B)8 A) 22 C)14 D)17 14. A trapezoid has a base of 10 and a midsegment of 12. What is the length of theother base? A) 22 B)8 /cT^4 D)17 III. Determine whether the statement is always, sometimes, or never true. fSov*t\'*«€ ^ A\wHs 15. A rectangle is a square. 16. Opposite legs of an isosceles trapezoid are congruent. ^Iw^S 17. Every side of a kite is congruent to anothersideof the kite. /\\<*j*15 .18. Opposite angles of a rectangle are congruent. 4wHS /VeN/e/~ 19. If a regularpolygon has an anglesum of 1440°, then it has 10sides. 20. The largest angle in a triangle is oppositethe smallest side. IV. Find the value of x. 21. x = ("S x= "/a x = s~ A $ -H'M^~ r->":':'": r'&^J&W'' '"y ^ifcr.^J iff ":».