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Which one should I choose?
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Which one should I choose?

Which one should I choose?-example-1
User Giray
by
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1 Answer

4 votes

Answer:

∠ 1 = 58°

Explanation:

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

117° is an exterior angle of the triangle, then

∠ 1 + 59° = 117° ( subtract 59° from both sides )

∠ 1 = 58°

User Yivi
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