Question

Equilateral triangle formula

Answer 1

hello mate..

‘equi’ means Equal, an equilateral triangle is the one where all sides are equal and have an equal angle. The internal angles of the equilateral triangle are also same, that is, 60 degrees. Here are the formulas for area, altitude, perimeter, and semi-perimeter of an equilateral triangle.

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Answer 2

Formulas :

Area of equilateral triangle  :  √3 / 4 a²

Perimeter of equilateral triangle :   3a

Remember:

#  In equilateral triangle all sides are equal

# 'a' depicts the side of the triangle

# All sides are  ' a '

Hope it helps u !!