Question

Ravi has a rectangular piece of thermocol of length 40 cm and breadth 60 cm. He wants to decorate it by sticking a piece of ribbon all along the four edges. Calculate how much ribbon will he need?​

Answer 1

because the ribbon is on the perimeter of rectangle,

2 (4 0 + 6 0) = 2 0 0 c m = 2 m

Answer 2

Ravi need 200cm of ribbon. Add all sides u will get the answer.