The length, breadth and height of a room are 4 m, 8 m and 2 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs. 2.50 per sq.m
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Answer:
Rs200
Step-by-step explanation:
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Step-by-step explanation:
Length, breadth and height of a room are 4 m, 8 m and 2 m.
Area of four walls of the room =2h(l+b)
= 2×2(4+8)
= 4 (12)
= 48 sq m
Area of the ceiling =l×b
= 4×8
= 32 sq cm.
Total area of the four walls and the ceiling of the room
= 48+32
= 80 sq cm
Cost of white washing = Rs 2.50 per sq m
Total cost of white washing = 80×2.50= Rs 200
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