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D. Find the value of the marked angles a, b, c, d, and give the reason for your answer.
55°
a
73°
b 112​

D Find The Value Of The Marked Angles A B C D And Give The Reason For Your Answer55a73b 112 class=

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NETDIAZIN

Answer:

1. 55°, vertical angles are congruent

2. 68°, sum of supplementary angles is 180°

3. 107°, sum of supplementary angles is 180°

4. 73°, vertical angles are congruent

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