Question

Find the area of an isosceles triangle whose perimeter is 32cm and it's base is 12 cm.

Answer 1

Isoscales triangle has two equal sides let these sides be x
So x+x+12=32
2x+12=32
2x=32-12
2x=20
X=20/2=10

Answer 2

answer is
32-12=20
20÷2=10{equal sides}
1/2×6×8
=24