Question

The width of a rectangle is 3/4 the length area of rectangle is 768

Answer 1

let length be l, breadth be b
b =3l/4
area = l × 3l/4 = 768
l^2 = 768×4/3 = 256×4
l =√256×√4 = 16×2 = 32 cm.
b = 3×32/4 = 3×8 = 24 cm.