SOLUTION: What is the approximate circumference and approximate area of a circle that measures 8 cm in diameter

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Question 821512: What is the approximate circumference and approximate area of a circle that measures 8 cm in diameter
Answer by Alan3354(69443) About Me  (Show Source):
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What is the approximate circumference and approximate area of a circle that measures 8 cm in diameter
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r = 4 cm
C+=+2%2Api%2Ar
Area+=+pi%2Ar%5E2