Question

find the area of equation triangle with side 5cm using heron's formula

Answer 1

in equilateral triangle
with side=5cm
S=A+B+C/2
=5+5+5/2
=7.5cm
by heron's formula
area=√s(s-A)(s-B)(s-C)
=√7.5(7.5-5)(7.5-5)(7.5-5)
=42.79sq cm
Hope this will be helpful