Question

Select the correct answer.

What type of triangle has 3 congruent sides?

• A. Isosceles triangle
• B. Equilateral triangle
• C. Scalene triangle

Answer 1

The correct option is B

Equilateral triangle

Equilateral triangle has all sides and angles are equal and each angle is equal to $60°$.

Hence, option (b) is correct.

Isosceles triangle has two equal angles and two equal sides. So, option (a) is incorrect.

Scalene triangle has unequal angles and sides. So, option (c) is incorrect.