Download Name

GEOMETRY
Quarterly 1 Review
1. A ray has ______________ endpoint(s).
2. If the measure of  B is greater than 90  and less
than 180°, then  B is a(n) ________________ angle.
3. Three points all on the same line are called ________.
4. Let mA = 3x + 9. For what value of x will  A be
a right angle.
5. AOE is a straight angle. OD bisects  COE.
m  AOB = 2x + 14, m  BOC = x + 6, and
m  COD = x. Find m  COD.
C
B
A
O
_____
D
E
6. M is the midpoint of CD . CM = x + 8 and CD = 4x - 8.
Find MD. (Draw your own picture.)
For #7 and #8, use the diagram below.
W
X
Y
O
Z
7. Name two pairs of adjacent angles.
8. Given OY bisects  XOZ, name two congruent angles.
9. Two lines intersect at a ____________.
For #10-12, answer TRUE or FALSE using the following diagram.
10. M is between W and X.
W
Z
M
____
11.
YZ
12.
MW
is the same as
and
WM
YZ .
are opposite rays.
Y
X
13. If angles A and B are complementary, then the
sum of the angles is ______________.
14. If two lines form congruent adjacent angles, then
the two lines are _____________.
15. m  COD + m  DOE = m  COE, is an example of
what definition, postulate, or theorem.
16. If m  1 = 150  and m  2 = 30  , then  1 and  2 cannot be which of the
following. (Circle all that apply.)
Congruent
Adjacent
Supplementary
Vertical
Complementary
17. Provide a counterexample to show the statement is false.
If a triangle is acute, then the triangle has three angles measuring 60°.
For #18-21, answer TRUE or FALSE.
18. The converse of a conditional statement is always false.
19. The measure of the supplement of 39  is 51  .
20. If x2 = 49, then x = 7.
21. If 2x + z = 20 and z = 3x, then 2x + 3x = 20, is an example of substitution.
For #22-24, use the diagram below.
7
8
5
b
6
3
4
1
a
2
22.  4 and  5 are ________________ angles.
23.  3 and  5 are _______________ angles.
24. m  5 = 118°, m  2 = _________.
25. If 2 parallel lines are cut by a transversal, then the same-side interior angles
are always ___________.
26. Find m  1.
80°
48°
1
27. What is the measure of each interior angle of a
regular octagon.
28. Predict the next number in the sequence.
29, 31, 35, 41, ____
For #29-32, answer ALWAYS, SOMETIMES, or NEVER.
29. An equilateral triangle is _______________ acute.
30. If a triangle is isosceles, then it is ________________ obtuse.
31. If two parallel lines are cut by a transversal, then same-side interior angles
are ______________ congruent.
32. The sum of the measures of the 2 remote interior angles is ____________
equal to the measure of an exterior angle.