Question

The floor of a rectangular hall has a perimeter 236 m.Its height is 4.5 m.Find the cost of painting its four walls (doors and windows to be ignored) at tge rate of ₹8.40 per square metre.

Answer 1

Area of four walls = 2(l+b) * h

= 236m * 4.5m

= 1,062 m^2

Hence cost to do that at rate of ₹8.40 per square metre = ₹1062*8.40

= ₹8,920.8

Hope it's helpful to u.

Answer 2

hope it will help u my dear friends