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# The “pluck” of a circle is defined as the area of the circle divided

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Math Expert
Joined: 02 Sep 2009
Posts: 64233
The “pluck” of a circle is defined as the area of the circle divided  [#permalink]

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09 Dec 2018, 23:58
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Difficulty:

15% (low)

Question Stats:

100% (00:36) correct 0% (00:00) wrong based on 20 sessions

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The “pluck” of a circle is defined as the area of the circle divided by π. What is the pluck of a circle with radius 5 ?

A. 20
B. 25
C. 30
D. 35
E. 40

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Joined: 28 Jun 2018
Posts: 71
Re: The “pluck” of a circle is defined as the area of the circle divided  [#permalink]

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10 Dec 2018, 01:26
Alright, area of the circle = Pir^2 = 22/7 x 5 x 5

Divide this by pi taking the recirprocal of pi and multiplying,

22/7 x 5 x 5 x 7/22 = 25

Re: The “pluck” of a circle is defined as the area of the circle divided   [#permalink] 10 Dec 2018, 01:26