Question

if all angles of a triangle are equal, the measure of the angle is

Answer 1

a triangle have three angles whose sum of the measure is 180°
if all the angles are equal, then measure of each angle is= 180/3
                                                                                         = 60°
it is an equilateral triangle.

Answer 2

If all angles of a triangle are equal, then measure of each angle is 60° and it is known as equilateral triangle.