SOLUTION: George used 450 feet of fencing to enclose a circular pool. He wants to leave a 3-foot walkway around the first fence. How many feet of fencing will he need for the second fence?
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Question 413017: George used 450 feet of fencing to enclose a circular pool. He wants to leave a 3-foot walkway around the first fence. How many feet of fencing will he need for the second fence?
Can I see how this is worked out as well please?
Thanks so much! Answer by ewatrrr(24785) (Show Source):
Hi
George used 450 feet of fencing to enclose a circular pool.
He wants to leave a 3-foot walkway around the first fence.
How many feet of fencing will he need for the second fence?
Note: P[r] = =2pi*r + 6pi = 450 + 6*3.14 = 468.84
