Question

Find the area of an equilatral triangle hose perimeter is 12m

Answer 1

Side of the equilateral triangle =perimeter /3
=12/3
=4m

Area of equilateral triangle =root 3/2 ×a²
=root 3/2×4×4
=8 root 3 m²

Answer 2

side of the equilateral triangle
=perimeter/3
=12/3
=4m
area of the equilateral triangle=root3/2×a^2
=root3/2×4×4
8root 3m^2