Question

In the figure shown below, line “m” and line “n” are parallel what is the value of x?

Answer 1

x = 20°

Explanation:

3x - 10° + 5x + 30° = 180° { being co-interior angles }

8x + 20 ° = 180°

8x = 180° - 20°

8x = 160°

x = 160° / 8

x = 20°