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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.
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> 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.
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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
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