Question

find the value of unknown X in the the below figure x +2x +90​

Answer 1

Answer:

let , the Angel's be x, 2x

given = 90°

By using angel sum property of triangle.

x + 2x + 90 = 180°

3x + 90 = 180°

3x = 180 - 90

3x = 90

x = 90 / 3

x = 30 °