what is the formula for finding the volume of a 5 rupee coin.
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5
Step-by-step explanation:
A 5 rupee coin is cylindrical in shape having radius r and haight h.
TSA of a cylinder is given by 2πr(r+h)
Thus, the total surface area of the cylinder can be calculated by using the formula 2πr(h+r)
Hence, option D is correct.
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2
Given; a 55 rupee coin
To Find; Volume of 5 rupee coin
Solution; It is given that we have a 5 rupee coin whose volume has to be measured
A coin is circular in shape and has some height it can be considered as a cylinder whose height is too much small
Let the radius of the cone be r but the height of the coin is h
The volume of coin = Volume of cylinder
The volume of coin = pi r2h
Hence the volume of the coin is the same as that of the cylinder
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