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The Canadian $2 coin has a copper centre surrounded by a ring of nickel. The diameter of the coin is 2.8 cm. The area of the copper centre is 2.0 cm2. What is the area of the nickel ring?
11 years ago

Answers

Steve
pi(2.8^2 - 2.0^2)
11 years ago
Hiren
dsjnkvn
4 years ago

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