Question

Find the value of x, then answer the question below.

What is the measure of angle C in the triangle?

Answer 1

C = 70 degrees. The steps are shown in the image below. Hope this helps!

Answer 2

the value of x is 50 and the measure of c is 70°

Explanation:

x+20+2x-30+40=180 (sum of inside the triangle is 180°)

3x+30=180

3x=180-30

x=150/3

x=50