Question

what is the circumference of a circular swimming pool with a diameter of 6 1/2 feet use 22 over 7 for pi

Answer 1

20.4285714289

or ≈20.4

Explanation:

2*pi*r

radius = diameter/2 = 6.5/2

r=3.25

22/7=3.1428571429

2*3.1428571429*3.25

Answer 2

20.428571

Explanation:

C=(22/7)d

C=(22/7)6.5

C=20.428571