Question

The circumference of a circle is 25.12 yards. What is the radius of the circle?

Answer 1

Answer: 4 yards

Step-by-step explanation:
Circumference formula: C = 2πr
C = 25.12
π = 3.14
r = ?

25.12 = 2•π•r
÷ 2 ÷ 2
12.56 = πr
÷ π ÷π
4 = r

Answer 2

circumference = diameter * pi
using 3.14 for pi
diameter = 25.12/3.14 = 8 yards
radius = diameter/2 = 8/2 = 4
radius = 4 yards