Question

Find the area of an isosceles triangle in which each of the equal sides measures 30 cm and the third side is 48 cm long.

Answer 1

1st- then find the semi-perimeter (s) of the sides given i.e. sum of the sides divided by 2.
2nd- then take the root over of this $\sqrt{s(s-30)(s-30)(s-48)}$
after this u get the answer...