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## What is the area of 5 rupee coin?

Indian 5-rupee coin

Mass | 6.74 g |

Diameter | 23 mm |

Edge | reeded |

Composition | Nickel-brass |

Obverse |
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## What is the formula for volume of 5 rupee coin?

Answer: A coin (assuming it is round and of fairly regular thickness) is basically a cylinder. The volume of a cylinder is given by the formula **V=πr^2h** where r is the radius and h is the thickness or height.

## What is the area of one rupee coin?

Round in shape, the one rupee coins weighs 3.76 grams (58.0 grains), has a **diameter of 21.93-millimetre (0.863 in) and thickness of 1.45-millimetre (0.057 in)**. In independent India, one rupee coins was first minted in 1950 and is currently in circulation.

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Indian 1-rupee coin.

India | |

Value | ₹1 |

Mass | 3.09 g |

Diameter | 20 mm (0.79 in) |

Obverse |
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## How do you find the surface area of a coin?

Well, you know the area of a circle is calculated as A = π r^{2}, where r is the radius of the circle and π is about 3.1416. To get the radius, you just **divide the diameter in** two, because the diameter is all the way across the coin and the radius is the distance from the center of the coin to the outside.