Question

Question #f7fee

Answer 1

Explained below

Explanation:

There is nothing known as equivalent triangle. If it is equilateral triangle, then all angles of an equilateral triangle are equal. Since sum of the angles is 180 degrees, each angle would be 60 degrees each.

Answer 2

Each corresponding angle of an “equivalent triangle” or “Congruent triangle” will be the same. Only the side lengths may have changed.

Explanation:

Each corresponding angle of an “equivalent triangle” or “Congruent triangle” will be the same. Only the side lengths may have changed.

The correct definitions of various triangle types may be found here:
http://www.mathopenref.com/triangle.html

Those are types, not comparisons, which is what we are looking for in congruent or equivalent triangles.
https://www.mathsisfun.com/geometry/triangles-similar.html

http://www.mathopenref.com/congruenttriangles.html