Follow these steps to apply what you have learned about the angles of a triangle.
Find m∠B : 100° + 127° + m∠B = 360°
Then, find the measure of angle A.
Which is the measure of angle A?
133°
53°
47°
80°

Follow these steps to apply what you have learned about the angles of a triangle Find mB 100 127 mB 360 Then find the measure of angle A Which is the measure of class=