Question

How are isosceles and equilateral triangles the same?

Answer 1

Isosceles triangles are those that have two sides equal in length.
Equilateral triangles are those that have all three sides equal.
These are not the same.

Explanation:

Any equilateral triangle (it has all 3 equal sides) is isosceles (that requires only 2 equal sides), but not all isosceles triangles (it has 2 equal sides) are equilateral (that requires all 3 equal sides).