Question

How would I do this?

Answer 1

A. Triangle? Yes. How do I know? Triangles add up to 180 degrees, and the angles measures add up to 180.

B. Triangle? No. How do I know? The angle measures only add up to 175 degrees, so it can’t be a triangle.

C. Triangle? Yes. How do I know? A triangle = 180 degrees and the angle measures add up to 180.

Answer 2

Explanation:

A triangle's angles have to equal to 180 degrees , so option B is not a triangle because it equals to 175