Question

find the area of isoscles triangle whose base is 8cm and LengHth of each equal side is 5 cm

Answer 1

$\frac{1}{2} \times base \times height$
1/2×8×3=12cm^2

Answer 2

the area of isoscles =1/2 (base × one side)
= 1/2 (8×5)
=1/2 (40)
=20 cm2