Question

The area of four walls of a room is 53 sq. m. If the room is 18m long and 8.5m wide, find (i) The height of the room. (ii) Cost of tiling the floor at the rate of Rs.250 per sq . m (iii) Cost of plastering walls and roof at the rate of Rs. 100 per sq. m (iv) Amount of air it holds. ​

Answer 1

Answer:

The height of the room is right answer

Answer 2

The area of four walls of a room is 2(l+b) ×h

a) So height is 1m.

sorry.