Question

What is the value of y?
54°

Answer 1

A.)63°

Explanation:

54°+63°+63°=180°

For this, you would use the Angle Sum Theorem which means the sum of the measures of a triangle's angles should always end up equaling 180°

A P E X Hope this helps Happy Holidays

Answer 2

A.

Explanation:

The sum of interior angles in a triangle is 180°

2y + 54 = 180

2y = 126

y = 63