Question

Defination of equilateral triangle

Answer 1

Answer:

when three sides of a triangle are equal

and three angles are equal

Answer 2

$\huge\bold{Equilateral }$$\huge\bold{Traingle::}$

•Equilateral triangle is a triangle in which all three sides are equal.

•An equilateral triangle is also equiangular

-->All three internal angles are also congruent to each other and are each 60°.

•It has 3 vertex, 3 edges and 3 lines of symmetry.

•It is a regular polygon.

•Perimeter of equilateral triangle - 3 x side of equilateral triangle.

•Area of equilateral triangle = 1/2*b.h.