A cistern is 25m long, 17m wide and 8m high. It is open at the top. Find the cost of cementing the inside of the cistern at the rate of Rs 12per m sq
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2
Answer:
Lateral surface area of cuboid (cistern) =2(l+b) h
so.,
Total area to be cemented=lateral suface area+area of the base
=2(l+b)h +l×b
=2(25+17) 8+25×17
=2×42×8+425
=672+425
=1097m sq
cost of cementing the inside of cistern
=1097×12
=12,948 rs
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Answer:
12,948
Step-by-step explanation:
see this part in my intake at NCRT syllabus
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