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O A) 60° O B) 80° OC) 110° OD) 120°
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O A) 60° O B) 80° OC) 110° OD) 120°

O A) 60° O B) 80° OC) 110° OD) 120°-example-1
User Roshan N
by
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1 Answer

3 votes

ANSWER:

110°

Explanation:

The sum of all the interior angles within a triangle is equal to 180°, therefore:


\begin{gathered} 180=50+20+x \\ \text{solving for x:} \\ x=180-50-20 \\ x=110 \end{gathered}

Therefore the angle

User Zhiyuan Sun
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