Question

What is the measure of Angle B A C?

Triangle A B C. Angle B is 50 degrees, angle C is 50 degrees, and angle A is blank.

50 degrees
80 degrees
100 degrees
130 degrees

Answer 1

80 degrees

Explanation:

rule : angles in a triangle add up to 180 degrees

so 50+50=100 and 180-100=80

Answer 2

80 degrees

Explanation:

a a triangle measures 180 degrees. can you add 50 + 50 to get 100. 180 - 100 to get 80