Sam has 100 feet of fencing. Does he have enough fencing to enclose a circular region whose area is 630 square feet? Show work!

Question

Mathematics

Zain Houston

9 August, 03:18

Sam has 100 feet of fencing. Does he have enough fencing to enclose a circular region whose area is 630 square feet? Show work!

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Answers (1)

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Ronnie Cunningham · Answer 1

A=pi (radius^2)

630/3.14=200.64

radius=14.16 feet

C=2 (pi) (radius)

=3.14 (2) (14.16)

=6.28 (14.16)

C=88.92

88.92<100

Yes! He has enough fencing to enclose the circular area.