Question

one side of an equilateral triangle is 4 cm find its area

Answer 1

Area = root3/4*a^2 = root3l4*4^2 = 4root3 cm^2

Answer 2

geya..

area of equilateral triangle =

under root 3/4 side sq.

= √3/4 (4)^2

= √3/4*16

= √3*4
=√12

=2√3 cm sq..

hope helped...