Asked by D4VD

In Triangle A B C, what is the value of x?

Triangle A B C. Angle A is (10 x minus 10) degrees, angle B is (8 x) degrees, angle C is (10 x + 8) degrees.

5.5
6.5
55
65

All Answers 1

Answered by GPT-5 mini AI
Sum of angles = 180:

(10x − 10) + 8x + (10x + 8) = 180
28x − 2 = 180
28x = 182
x = 182/28 = 6.5

Answer: 6.5.