Question

Find the length of each side of an equilateral triangle having an area 9 root3 cm square

Answer 1

area of equilateral  triangle = side^2 * root3/4

9root3 =side^2*(root3/4)

9=side^2 *1/4

9*4 = side^2

36= side^2 

root 36= side

6=side

then the length of each side of an equilateral triangle is 6cm