Question

A room is 8 m long, 6 m wide and 4.5 m high. It is to be painted at the rate of 550 per m2. Find the total cost incurred ​

Answer 1

ANSWER:-

Lateral surface area of cuboid=2*(l*b+b*h+h*l)

So total cost of painting =L.S.A*550

=2*(8*6+6*4.5+8*4.5)*550

=2*(48+27+36)*550

=Rs.1,22,100.

Answer 2

Answer:

first,

volume of room=l.b.h

8x6x4.5=216cu.m

cost of painting 216×550=1,18,800 rupees