Question

The altitude drawn to the base ofan isosceles triangle is 8 cm and perimeter is 64 cm.The area of triangle is

Answer 1

let the equal sides of triangle is x cm
so base of triangle is (64-2x) cm
thus area of triangle= 1/2×base×height
= 1/2 × (64-2x) × 8
= (256-8x) cm^2