Question

Can someone explain how to solve and find x on the triangle

Answer 1

Explanation:

sum of all the angles in a triangle is equal to 180°

82 + 70 + (2x + 4) = 180

152 + 2x + 4 = 180

156 + 2x = 180

2x = 180 - 156

2x = 24

x = 12