Question

How to find height of equilateral triangle if side is given?

Answer 1

Answer:

s=3a/2

area x area = 3a/2 (3a/2-a) (3a/2-a)(3a/2-a) = 1/2*1/2*a*a*h*h

3a/2*a/2*a/2*a/2=a*a*h*h/4

h*h=3a*a/4

h = √3/2*a

using heron's equation and 1/2 * b*h