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What is the measure of ∡U in the figure shown? ∘
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45 votes
45 votes
What is the measure of ∡U in the figure shown? ∘

What is the measure of ∡U in the figure shown? ∘-example-1
User Giga
by
3.1k points

1 Answer

16 votes
16 votes

Answer:

∠ U = 70°

Explanation:

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

120° is an exterior angle of the circle , then

∠ U + 50° = 120° ( subtract 50° from both sides )

∠ U = 70°

User Gerhard Brueckl
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3.0k points
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