Math, asked by dharmenderdhar40, 5 months ago

7. Find the cost of polishing a right circular cylinder at the rate of 2.50 per sq cm whose diameter is
8.4 cm and height is 20 cm.

Answers

Answered by lalitnit

0

Answer:

Total surface area of cylinder

= 2*22/7*8.4*20+2*22/7*8.4*8.4

= 1,056 + 443.52

= 1,499.52

Cost of polishing a right circular cylinder

2.50*1499.52

= Rs 3,748.8

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