Question

Find the area of isosceles triangle in which each of the equal side measure 30cm and the third side is 48cm long

Answer 1

first we find semiperimeter = a+b+c/2

30+30+48/2= 54cm

now calculate area by √s(s-a)(s-b)(s-c)

u will get by solving this. ...432 cm^

s= semiperimeter = 54 cm