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A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the coin? The exact årea of either face of the coin is mm2. (Simplify your answer. Type an exact answer in terms
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A certain coin is a circle with diameter 18 mm. What is the exact area of either face of the coin? The exact årea of either face of the coin is mm2. (Simplify your answer. Type an exact answer in terms of re.)​

User Amit Rastogi
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I don't understand it sorry

User Clemente
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