scalene triangle, isosceles triangle, equilateral triangle, acute

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,andAAS
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.
n
c
•~d
«
Be able to find the exterior angle sum, interior angle sum
[(n-2)l 80] 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.
Every isosceles triangle is also an equilateral triangle.
2.
It is possible to construct an equilateral, right triangle.
3.
4.
It is possible to construct an obtuse, scalene triangle.
It is possible to construct a scalene, right triangle.
II. Multiple Choice.
-
5. If all four angles ofa quadrilateral are congruent then the quadrilateral is definitely a
A) Square
B)Rectangle .„
C) Rhombus
D) Trapezoid
E)Kite
6. The diagonals ofa quadrilateral bisect each other. Which is the most specific name for the
quadrilateral?
A) Parallelogram
B)Trapezoid
C)Kite
D) none of these
7. Which quadrilateral has four congruent sides?
A) Trapezoid
B) Rectangle
C) Rhombus
D) Parallelogram
E)Kite
8. Which quadrilateral does nothave congruent diagonals?
A) Square
B) Rectangle
C)Kite
D)none ofthese
9. Identify thequadrilateral by the most specific name.
d
a
A) Trapezoid
B) Rectangle
C) Rhombus
D) Parallelogram
10. What is the measure of each of theinterior angles of a regular octagon?
A) 180°
B)135°
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)720°
12. The measure ofeach interior angle of a regular hexagon is
A) 180°
B)120°
C)135°
D) 112.5°
E) Kite
13. A trapezoid has bases of lengths 16 and 28. What is the measure of the midsegment
of the trapezoid?
A) 22
B)8
C) 14
D)17
14. A trapezoid has a base of 10 and a midsegment of 12. What is the length of the other base?
A) 22
B)8
C)14
D)17
HI. Determine whether the statement is always, sometimes, or never true.
15. A rectangle is a square.
16. Opposite legs of an isosceles trapezoid are congruent.
17. Every side of a kite is congruent to another side of the kite.
18. Opposite angles of a rectangle are congruent.
19. If a regular polygon has an angle sum of 1440°, then it has 10sides.
20. Thelargest angle in a triangle is opposite the smallest side.
IV. Find the value of x.
23.
x
=
>w
c<r •
i
,••<.'
'.
':-.'