Paulo is installing a circular pond in his back yard. He is surrounding the pond with decorative bricks. The pond is 5 feet in diameter. What is the length of the decorative brick border that Paulo needs to surround the pond? Use twenty-two sevenths for pi.

seven and six-sevenths feet

fifteen and five-sevenths feet

nineteen and nine-fourteenths feet

thirty-one and three-sevenths feet @cp9454

Question

Paulo is installing a circular pond in his back yard. He is surrounding the pond with decorative bricks. The pond is 5 feet in diameter. What is the length of the decorative brick border that Paulo needs to surround the pond? Use twenty-two sevenths for pi.

seven and six-sevenths feet

fifteen and five-sevenths feet

nineteen and nine-fourteenths feet

thirty-one and three-sevenths feet @cp9454

anonymous · Answer

@math&ing001

math&ing001 · Answer

You'll just need to find the diameter of the circle, do you know how to do that ?

anonymous · Answer

no

math&ing001 · Answer

Sorry I meant the perimeter. 
Perimeter = diameter * pi = 5 * 22/7

anonymous · Answer

3

math&ing001 · Answer

It's not option 3,   perimeter = 5 * 22/7 = 110/7 = 15 + 5/7. Option B.