Question

Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 6-inch side. A = sq. in.

Answer 1

All sides are 6 ins
All angles are 60°
A = (1/2) ( b ) ( h )
A = (1/2) ( b ) ( b sin 60° )
A = (1/2) b ² (√3 / 2)
A = (1/4) √3 (36)
A = 9√3 in²

Answer 2

ty ^.^

Answer 3

Anytime ♥