Question

the unequal side of an isoceles triangle is 6cm and its perimeter is 24cm. find its area​

Answer 1

Step-by-step explanation:

let sides be x

x+x+6=24

2x=18

x=9

area:

s=a+b+c/2

s=12

a=√s(s-a(s-b)(s-c))

a=25.45