Proving Angles Congruent Quiz
Vertical Angles
ANSWER : 2 angles whose sides form 2 pairs of opp. rays
Adjacent angles
ANSWER : 2 coplanar angles w a common endpt and no common interior pts.
Complementary angles
ANSWER : 2 angles whose measurements have a sum of 90 degrees
Supplementary angles
ANSWER : 2 angles whose measurements have a sum of 180 degrees.
Vertical angle theorem
ANSWER : Vertical angles are congruent
Theorem 2-4
ANSWER : All right angles are congruent
Theorem 2-5
ANSWER : If 2 right angles are congruent and supplementary then each is a right angle
Conditional Statement
ANSWER : if, then
Hypothesis
ANSWER : follows the “if” part
Conclusion
ANSWER : follows the “then” part
1. Find m\angle AEBm∠AEB
40
28
120
122(CORRECT ANSWER)
2. What is the value of x?
150
30(CORRECT ANSWER)
145
15
3. Find m\angle AEB.m∠AEB.
150
30
130(CORRECT ANSWER)
50
4. Find ∠NOQ
31(CORRECT ANSWER)
59
180
149
5. ∠3 and ∠1 are _____________
Nothing(CORRECT ANSWER)
Vertical
Complementary
Supplementary
6. ∠1 and ∠2 are _____________
Complementary
Supplementary
Adjacent(CORRECT ANSWER)
Vertical
7. Find X
28
5
55(CORRECT ANSWER)
40
8. Find ∠ AOC
130
50(CORRECT ANSWER)
40
9. ∠7 and ∠8 are _______________
Vertical
Nothing(CORRECT ANSWER)
Adjacent
Supplementary
10. Find the missing angle.
43
47
57
67(CORRECT ANSWER)
11. Find the value of x.
28(CORRECT ANSWER)
30
32
90
12. Find m\angle ECDm∠ECD
13
64(CORRECT ANSWER)
90
180
13. Find m\angle AEBm∠AEB
40
28
120
122(CORRECT ANSWER)
14. Find the value of x.
18.75
21.25(CORRECT ANSWER)
80
158.75
15. Find the value of y.
16
32
38(CORRECT ANSWER)
142
16. Find m\angle Am∠A if \angle A∠A is congruent to its supplement, \angle B.∠B.
45
90(CORRECT ANSWER)
180
impossible to determine
17. Find m\angle Am∠A if \angle A∠A is twice as large as its complement, \angle B.∠B.
30
45
60(CORRECT ANSWER)
90
18. Fill in the reason for number 3.
Angle Addition Postulate
Addition Property (CORRECT ANSWER)
Definition of congruent angles
Given