Question

The length,breadth and height of a room a are 5.5m, 3.2m and 3m respectively find the cost of painting the wall at 10 per square metre and whitewashing the ceiling at rupees 1.50 per square metre​.

Answer 1

Answer:

length of room:5.5m

breadth of room:3.2m

height of room:3m

Therefore total area of room: lsa (rectangle)+l×b

=2h(l+b)+l×b

=2×3(5.5+3.2)+5.5×3.2

=6(8.7)+17.60

=52.5+17.60

=70.1

Now,rate of whitewashing=Rs1.50

cost of white washing= Rs 10.51(approx)

Answer 2

Answer:

Step-by-step explanation: