1.) For # 1  16 answer True or False.
Two rays that have the same endpoint form an angle.
True
False


2.) Two triangles with sides of equal length are congruent.
True
False


3.) An angle measuring 112o is called acute.
True
False


4.) Vertical angles have the same measure.
True
False


5.) The sum of the measures of the angles of a triangle is 360o.
True
False


6.) If two angles of a triangle are 21o and 74o, then the third angle is 82o.
True
False


7.) A line segment is a piece of line with two endpoints.
True
False


8.) A right triangle is a triangle with an angle measuring 90o.
True
False


9.) Use these figures for # 11 and 12.
The triangles in figure 11 are congruent.
True
False


10.) The triangles in figure 12 are congruent.
True
False


11.) Parallel lines never intersect.
True
False


12.)
The above lines are perpendicular.
True
False


13.) Similar triangles have congruent angles.
True
False


14.)
If angle BAC = angle EDF, angle ACB = angle DFE, and AC = DF, then triangle ABC is congruent to Triangle DEF.
True
False


15.) A point has location and area.
True
False


16.)
If the lines in figure A are perpendicular, they form 4 equal angles of 900.
True
False


17.) Use these figures for # 17 and 18.
If these are similar triangles and AC = 4, CB = 6, and DF = 6, then FE = _______.
9
11
13
15
18.) If these are similar triangles and AB = 4, CB = 6, and DE = 10, then EF = _______.
10
13
15
17
19.) Simplify:
√196
11
12
13
14
20.) √169
12
13
14
15
21.) __________ is a perfect triple.
8, 16, 24
12, 16, 24
14, 22, 30
15, 36, 39
22.) The legs of a right triangle are ________ congruent.
sometimes
always
never
equally
23.) The Pythagorean Theorem works on ____________ triangles.
all
acute
right
straight
24.) If a = 12 and b = 4, then c = _________
14
16
√148
√160
25.) If a = 2 and b = 8, then c = _________
√56
√63
√68
√72
26.)
Find the surface area of a cylinder if:
h = 6 m
r = 4 m
172.2 sq m
196.3 sq m
212.3 sq m
251.2 sq m
27.)
Find the surface area of a cone if:
h = 12 m
r = 2 m
s = 9 m
69.1 sq m
72.1 sq m
72.3 sq m
76.9 sq m
28.)
Find the surface area of a rectangular prism if:
l = 13 m
w = 4 m
h = 8 m
245 sq m
326 sq m
376 sq m
396 sq m
29.) What is the perimeter of the star shown in the following illustration? All the side lengths are equal (3 feet).
3 ft
30 ft
34 ft
60 ft
30.) What is the area of the polygon shown in the following illustration? Length is 8 m, height is 10 m, and the height of the triangle measures 4 m.
60 sq m
80 sq m
120 sq m
100 sq m