Math
posted by Brandi .
Need help on this one....
Your town is building a circular ice rink with a diameter of 100 feet. Around the ice rink will be a walkway that is 10 feet wide. What is the approximate area of the walkway?
Thanks...

Math 
Steve
Just subtract the inner circle (the ice) from the whole area (including the walk)
pi(55^2  50^2) 
Math 
Anonymous
Your town is building a circular ice rink with a diameter of 100 feet. Around the ice rink will be a walkway that is 10 feet wide. What is the approximate area of the walkway?

Math 
emma
3,500

Math 
chloe
Three of these methods give the correct area of the figure. Which method does NOT?

Math 
Zach
I verify emma's answer. It is 3,500.
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