Question

the walls and sealing of the room has been the length of the room are 4.5m ,3m ,350m respectively find the cost of plastering at the rate of rs 8per m square​

plz post immediately I will mark as brianly

Answer 1

l=4.5m

b=3m

h=350m

so,

area of the room= csa of the room+ area of ceiling

= 2h(l+b) + l×b

=2×350(4.5+3) + 4.5×3

5250+13.5

5263.5

cost of platering at rate of 8 rs= 5263.5×8

=42108 rs