Question

Determine the value of x in the diagram below:

Answer 1

x = 60°

Explanation:

All three lines and angles are identical in an equilateral triangle.

All of the interior angles in a triangle add up to 180°.

180 ÷ 3 = 60°

or

The angles on one side of a straight line add up to 180°.

180 - 120 = 60°