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Exterior angle theorem

A) 110°

B) 34°

C) 23°

D) 30°

Exterior angle theorem A) 110° B) 34° C) 23° D) 30°-example-1

1 Answer

5 votes

Answer:

D) 30°

Explanation:

By exterior angle theorem:

? = 70° - 40°

? = 30°

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