Question

A rectangular lawn is 4cm longer than its width. If its area is 165cm2, calculate its width

Answer 1

Answer:

width = x

length = x + 4

Area = length × breadth

165 = (x+4) x

x^2 + 4x - 165 = 0

(x+15) (x-11) = 0

x - 11 = 0

x = 11