Circumferences and Areas of Circles

Question Group #1
Directions and/or Common Information: Find the circumference for each circle.
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 If a circle has a circumference of 7 meters, what is the length of its diameter?
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 If a circle has a circumference of 72 inches, what is the length of its radius?
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Question Group #2
Directions and/or Common Information: Find the area of each circle.
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 Find the diameter of a circle whose area is 88 cm2.
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 Mary's neighbor has a pool that she wants to emulate in her own backyard.  The pool is unique because it is a perfect circle and unlike any pool she has seen.  Mary needs to hire a builder, but first she needs to find out the area of her neighbor's pool.  If her neighbor's pool's circumference is 60ft, what is the best possible estimate of the pool's area?
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C Roach

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