Question

find the areaof the rectangle and its length if the perimeter of rectangle is 120 and breadth of the rectangle is 40 cm​

Answer 1

Answer:

let length be l.

perimeter = 2(l + 40) =120

l + 40 = 60

l = 60-40 = 20 cm

area = l × b

= 20 × 40 = 800cm^2