Question

The measure of three angles of a triangle are (2×), (3×) and (×+60) what is the value of x ?

Answer 1

Since the sum of the angles of a triangle = 180°

Then (2x)º + (x + 60)º + (3x)º = 180°
(6x)° + 60° = 180°
(6x)° = 180° - 60°
x = 120° ÷ 6
∴ x = 20