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posted by Ivan Sunday, January 16, 2011 at 12:39am.

A gardener is installing a circular garden. The radius of the circle 28 feet. He needs to know the circumference in order to buy materials for the edging. What is the circumference if he uses = 22/7. The circumference is ?

A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 12 ft.? How many feet is the Drive Way?

C = 2 pi r = (44/7) 28 = 176 2L + 2b = 108 L + b = 54 L = 54 - 12 = 42

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