The length of rectangular garden 5m longer than its breadth . If the perimeter is 150 than find its area of garden

1 answer

L = B + 5

P = 2 ( B + L ) = 150

2 ( B + B + 5 ) = 150

2 ( 2 B + 5 ) = 150

Divide both sides by 2

2 B + 5 = 75

Subtract 5 to both sides

2 B = 70

B = 70 / 2 = 35 m

L = B + 5 = 35 + 5 = 40 m

A = L ∙ B = 40 ∙ 35 = 1400 m²