Question

calculate the area of equilateral triangle whose height is 6cm

please explain in full method​

Answer 1

Answer:

Height of equilateral triangle=6cm

Let x be a side of triangle

Height of the equilateral triangle

√3/2 ( side) =√3/2x

6=√3/2x

x=12/√3=6.92cm

Now

area of triangle =√3/4 (side)² =√3/4x

6.92×6.92=20.76cm² answer