Two interior angles of a triangle measure 50° and 60°. What is the measure of the third interior angle of the triangle?
A. 70°
B. 60°
C. 50°
D. 40°

Respuesta :

The answer is A. The interior angles of a triangle must all add up to 180°. Taking the information that you know, add 50°+60°, equaling 110°. Subtract 110° from 180°, and you get 70°. 

Answer:

A

Step-by-step explanation:

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