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What is the measure of < x

What is the measure of < x-example-1
User Yogesh G
by
7.0k points

1 Answer

3 votes

Answer:

78

Explanation:

The measure of an exterior angle of a triangle is equal to the sum of the opposite interior angles.

x = 31 + 47

x = 78

User Timothepoznanski
by
7.1k points