Question

Hi, please help

Based on these triangles, which statement is true?

A. c= 133°, because 180−(50+83)=47 and 180−47=133
B. c= 313°, because 50+83=133 and 133+180=313
C. c= 147°, because 180−83=97 and 97+50=147
D. c= 47°, because 50+83=133 and 180−133=47

Answer 1

A. 133 degrees

Explanation:

You add the two known interior numbers in the triangle to find the unknown exterior variable. In this case, the two known interior numbers are 83 and 50. 83 + 50 = 133