Question

Find the value of x?

Answer 1

15

Explanation:

Answer 2

x = 15

Explanation:

We know that sum of interior angles of a triangle is 180°, so;

(60) + (60) + (8x - 60) = 180

120 + 8x - 60 = 180

60 + 8x = 180

8x = 120

x = 15

Hope this helps!