Question

In the following triangle, find the value of x

Answer 1

Let ∠J = x and ∠L = 3x

By angle sum property of triangle we have

∠J + ∠K + ∠L = 180°

x + 112° + 3x = 180°

4x = 180° – 112°

x = 68°

x = `(68^circ)/4`

x = 17°