Question

Find the measure of Angle 2. measure of angle 1 = x measure of angle 2 = x-6

Answer 1

m∠3 = 180 -(x + x - 6 ) 
= 180 - 2x + 6 
= 186 - 2x

Answer 2

I hope this helps you



1+2+3=180


x+x-6+3=180


3=186-2x