SOLUTION: A hoola hoop has a diameter of 40inches. What is the radius of the hoola hoop? What is the circumference of the hoola hoop? Thank you

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Question 500755: A hoola hoop has a diameter of 40inches. What is the radius of the hoola hoop? What is the circumference of the hoola hoop?
Thank you
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
d+=+diameter
.
r+=+radius
.
r+=+%281%2F2%29d
.
r+=+%281%2F2%29+%2A+40
.
r+=+20+
.
c+=+circumference
.
c+=+pi+%2A+diameter
.
c+=+pi+%2A+40
.
c+=+40%2Api
.
Done.