Question

Which triangle, if any, has side lengths of 15, 15, and 15?

A. equilateral triangle
B. isosceles triangle
C. scalene triangle
D. It's not a triangle.

Answer 1

equilateral triangle is a triangle in which all three sides are equal. In traditional or Euclidean geometry equilateral triangle

Answer 2

Here, All the sides are equal so it would be "Equilateral Triangle"

In short, Your Answer would be Option A

Hope this helps!