Question

the length,breadth and height of a room is 5m,4m and 3m.The cost of white washing its four walls at the rate of Rs.7.50 per m sq is​

Answer 1

Step-by-step explanation:

I hope it will help u nd plzz mark me as brainlist

Answer 2

Step-by-step explanation:

Length=5

Breadth=4

Height=3

Total surface area=2(lb+bh+hl)

=2(5*4+4*3+3*5)

=2(20+12+15)

=2*47=94m

Area of rect. =L*b

5*4=20

94-20=74

Cost of white washing = 750/100*74=555