Question

Which type of triangle, if any, has side lengths of 11, 15, and 25?

equilateral triangle
isosceles triangle
scalene triangle
It's not a triangle.

Answer 1

It is a scalene triangle. A scalene triangle has sides that aren't equal length so the side lengths 11, 15 and 25 shouldn't look the same.

Explanation:

Answer 2

Scalene triangle

Explanation:

An equilateral triangle has 3 equal sides.

An isosceles triangle has 2 equal sides.

A scalene triangle has no equal sides.