Question

find the area of the equilateral triangle whose perimeter is 18 cm using herons formula using √3.=17.3)​

Answer 1

Answer

area of a equilateral triangle =6×√3/4×side^2

=6×√3/4×18^2

=6×17.3/4×324

=1944×17.3/4

=33631.2/4

=8407.8 Answer