Question

17) Two lines intersect each other and form four
angles A, B, C, and D.
C С
A
B
D
A. Prove that ZC and ZD are vertically opposite
angles and are equal in measure.
B. If the measure of ZA is increased by 10°,
what would happen to ZC?​

Answer 1

Answer:

decreased by 39

Step-by-step explanation:

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