Question

If a triangle has three equal sides, what is true about a triangle?

A. all three angles must be equal.
B. all three angles must be unequal.
C. one angle must be a right angle.
D. two angles must be 45-degree angles.

Answer 1

A

Explanation:

If all of the sides are equal, they can only be arranged in a way that had all of the angles being equal.