bucket made up of a metal sheet is in the form of a frustum of a cone of height 16 cm with diameters of its lower and upper ends as 16 cm and 40 cm respectively. Find the volume of the bucket. Also find the cost of the bucket it the cost of metal sheet used is Rs 20 per 100 cm2.
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Anshul26:
where is the answer?
sorry
i recieved the answer just now
Bro why you reported me answer
Hello
soorrrrryyyyy!!!! I recieved your answer without context. It was getting loaded.. I didnt know that. I thought that you hadnt answered my question.
Its ok bro
ykk
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Answer:
Step-by-step explanation:
Herer1 = 8 cm, r2 = 20 cm, h = 16 cm
l =
Surface area of the bucket = l (r1+ r2) + r12
=3.14 20 28 + 3.14 64
=3.14 (560 + 64)
=1959.36 sq. cm
Cost of 100 sq. cm metal = Rs. 15
Cost of 1 sq. cm metal = Rs. 0.15
Cost of 1959.36 sq. cm metal = Rs. 293.90
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