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29 September, 10:50

The area of a circular trampoline is 108.94 square feet. What is the radius of the trampoline? Round to the nearest hundredth.

A. 10.44 feet

B. 5.89 feet

C. 34.68 feet

D. 3.32 feet

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Answers (1)
  1. 29 September, 10:52
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    The correct answer to this question is this one: B. 5.89 feet

    The area of a circular trampoline is 108.94 square feet. The radius of the trampoline is 5.89 feet.

    For a circle,

    A = (pi) r^2

    108.94 ft^2 = (pi) r^2

    r^2 = (108.94 ft^2) / (pi)

    r = sqrt (108.94/pi) ft

    r = 5. 89 ft
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