Math, asked by rakhishrivastava8478, 2 months ago


The length, breath and height of a room are 3m, 4m and 3 m respectively. Find the cost of while
washing the wall of the room and ceiling at the rate of Rs. 7.50 per​

Answers

Answered by pankajkumar131102
0

Answer:

Area of rectangle = lbh

= 3*4*3

= 36

cost = 36*7.5

= 270 is cost

Answered by aryangupta281104
0

Answer:

cost of white washing 36m2 = 36×7.50

= Rs.270

Step-by-step explanation:

length= 3m

breath= 4m

height= 3m

Csa of cuboid = 2(l+b)×h+l×b

= 2(3×4)×3+3×4

= 2×12+12

= 24+12

= 36 m^2

cost of white washing per 1m2 = Rs.7.50

cost of white washing 36m2 = 36×7.50

= Rs.270

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