Question

If the perimeter of a rectangular park is 840 m and its length is 280 m, what will be its breath? Also,calculate the area of this rectangular park.

Answer 1

I have explained it.

Hope it helps you.

Answer 2

Perimeter = 2(l+b)

840 = 2 ( 280 + x)

840 = 560 + 2x

2x = 280

x = 140

Area = l*b

Area = 280 * 140

answer is 39200 cm^2