B) A square room is 12 m long and 5 m high. (i) Find the area of its floor and ceiling.
(ii) Find the area of its 4 walls.
(iii) Find the area of the room including floor and ceili
c) The area of 4 walls with two windows and a door is 20
and the door is 6 m², find the area of the walls excludin
3. a)
The area of 4 walls and ceiling of a room is 140 m². Find
and ceiling at Rs 35 per sq. metre.
b) If the cost of plastering 4 walls of a room at Rs 45 per
area of the 4 walls of the room.
Creative section
A room is 10 m long 8 m wide and 5 m high. Find the