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Find the measure of angle 1.​
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Find the measure of angle 1.​

Find the measure of angle 1.​-example-1
User Brian Oliver
by
4.5k points

1 Answer

2 votes

Answer:

∠ 1 = 120°

Explanation:

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

∠ 1 is an exterior angle of the triangle , then

∠ 1 = 61° + 59° = 120°

User Jimmy Lin
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