asked 198k views
2 votes
I have No TIME PLS HELP MEH!!

I have No TIME PLS HELP MEH!!-example-1

2 Answers

5 votes

Answer:

C................................................................



answered
User Raffi
by
9.0k points
5 votes

Answer:

C = 132

Explanation:

The measure of the exterior angle of a triangle is equal to the sum of the opposite interior angles

20x+12 = 9x+13x

Combine like terms

20x+12 = 22x

Subtract 20x from each side

20x-20x+12 = 22x-20x

12 = 2x

Divide by 2

12/2 = 2x/2

6 =x

QRX = 20x+12

20*6 +12

120+12

132

answered
User Blake Mann
by
8.7k points

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