Question

p = 3.2 m and l = 100 cm find b

Answer 1

Perimeter of a rectangle is 2(l+b)

Here l=100cm
And p=3.2 m. =3.2 × 100=320 cm


Now 320=2(100+b)

∴ 320=200+2b

∴320-200=2b

∴120=2b

∴b=60 cm



Thus the rectangle is 60 cm broad.





Hope it helps..!