Question

What is the radius of a circle that has an approximate circumference of 81.64 meters? (Use 3.14 for ).

r =
m

Answer 1

r=13

Explanation:

81.64/3.14=26(diameter)

26/2=13(radius)

Answer 2

Radius—r:
2r(3.14) = 81.64
6.28r = 81.64
r = 13

12.99m