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
0
Answer:
Area of rectangle = lbh
= 3*4*3
= 36
cost = 36*7.5
= 270 is cost
Answered by
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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