Question

The perimeter of a rectangle is 70 cm. ris breadth in 5.cm less than the length, find area​

Answer 1

Answer:

let, length=x

breadth=x-5

perimeter=2(l+b)

70. =2(x+x-5)

70/2. = 2x-5

35-5. =2x

x. =30/2

x. =15cm

length=15 cm

breadth=10cm

area=15×10=150cm^2