Question

The perimeter of the floor of a room is is 40 m and its height is 4.5 metre find the area of the four walls of the room also find the cost of papering the four walls at rupees 25 per metre square. can any1 help me with this???

Answer 1

Answer:

The cost is=Rs.4500

Step-by-step explanation:

Perimeter of floor of room=40m

Height of room=4.5m

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

=40m×4.5m

=180 square m

Cost of papering four walls per square m=Rs.25

Cost of papering four walls 180 square m=Rs.180×25=Rs.4500