Question

The base and height of the ratio 3:4 and its area is 108 cm. Find its base and height

Answer 1

let base be 3x and height be 4x
area of ∆ = 1/2 ×b×h
108 cm² = 1/2×3x × 4x
216 = 12 x²
216/12 = x²
18 = x²
√18 = x
0.35 = x
so base = 3× 0.35=1.05 cm
& height= 4× 0.35= 1.4 cm