Question

The perimeter of a rectangle is 450 km .If its breadth iis 90km.Find the area of the forest

Answer 1

perimeter of rectangle=450
450=2×(|+b )
450=2×(l+ 90)
2×( | + 90) =450
|+ 90 = 450÷2
|+90= 225
|=225 -90
|=135
area of rectangle=|×b
=135 × 90
=12150 km square