Question

find the measure of an equilateral triangle whose side is 4 cm​

Answer 1

Answer:

Let the side of an equilateral triangle

= a = 4 cm

Area = A = ( √3/4 ) × a²

A = ( √3/4 ) × 4²

A = ( √3 × 4 × 4 ) / 4

A = 4√3 square cm

I hope this helps you.