Question

Classify the triangle by its sides. Triangle has side lengths of 15, 15, and 20.

Scalene Triangle.
Isosceles Triangle.
Equilateral Triangle.
Right Triangle.

Answer 1

so, do you know what those choices mean?
Note that (only) two of the sides are equal...

Answer 2

@oobleck the real question is do you also the answer is an isosceles triangle.

Answer 3

I am not sure but I would think scalene triangle. I am not all that great with shapes and angles but i think it might be that one.