What does an equilateral triangle look like?

An equilateral triangle is a type of a triangle that has all three sides equal.

Answer: Equilateral triangle is a 3-sided polygon whose all 3 sides and 3 angles are equal.

Let us understand the concept with an image.

Explanation

An equilateral triangle is shown below. Each angle measures 60° 

So, all three sides and angles of an equilateral triangle are congruent.