Question

A triangle with all sides of equal length is a _______ triangle.

Answer 1

A).  right triangle . . . any triangle with one right angle inside,
                                no matter what the side-lengths are

B).  scalene triangle . . . any triangle with no two equal sides

C).  equilateral triangle . . . any triangle with all three sides the same length

D).  isosceles triangle . . . any triangle with any two sides the same length

Answer 2

C.equilateral 
a right triangle has a 90° angle, an isosceles has two equal lines think of the name as i saw two of these, and a scalene has no equal sides