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