301,571 views
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
by
3.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.