How do you derive the formula for the area of an equilateral triangle?
1 Answer
Jan 13, 2016
Area of an equilateral triangle with sides of length
(Derivation below)
Explanation:
The common formula for the area of a triangle is
For an equilateral triangle with sides of length
#"base" = s#
and the
#height" = sqrt(s^2-(s/2)^2)#
and therefore the area is