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Find the measure of the exterior angle.

Find the measure of the exterior angle.-example-1
User Mike James
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1 Answer

5 votes

Answer:

108°

Explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

2a is an exterior angle, thus

2a = a + 10 + 44 = a + 54 ( subtract a from both sides )

a = 54

Thus 2a = 2 × 54 = 108° ← exterior angle

User Bibhudatta Sahoo
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