Question

When using a compass to construct a 60° angle, what property enables this construction?

Options

• An alternate segment theorem

• Division of a line in any ratio

• All angles in an equilateral triangle are 60°

• Arc length is always fixed

Answer 1

All angles in an equilateral triangle are 60°

Explanation:

Creating two equal arcs forms an equilateral triangle, where each angle is 60°.