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

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GMAT Club Legend
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The “pluck” of a circle is defined as the area of the circle [#permalink] New post 26 Mar 2018, 16:03
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Question Stats:

100% (00:13) correct 0% (00:00) wrong based on 13 sessions
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 ?

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Question: 12
Page: 548


[Reveal] Spoiler: OA
25

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Re: The “pluck” of a circle is defined as the area of the circle [#permalink] New post 26 Mar 2018, 21:34
Don't freak out if you never studied the pluck of a circle. Nobody else has either. But they tell us what it is, so just follow instructions.

The area of a circle is πr^2, which in this case is 25π. The pluck is the area divided by π. So since 25π/π cancels to give us 25, the answer is 25.
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GMAT Club Legend
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Joined: 07 Jun 2014
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WE: Business Development (Energy and Utilities)
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Kudos [?]: 1659 [0], given: 396

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Re: The “pluck” of a circle is defined as the area of the circle [#permalink] New post 04 Apr 2018, 15:52
Expert's post
Explanation

Ignore the unfamiliar terminology and follow directions.

The area of a circle with radius 5 is \(\pi r^2=\pi 5^2 =25 \pi\). Dividing the area by \(\pi\) gives you 25.
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Re: The “pluck” of a circle is defined as the area of the circle [#permalink] New post 08 Apr 2018, 06:13
Area of circle is Pi*r^2 . When divided by Pi, we are left with r^2.

If r =2,

r^2 = 25.

Hence answer is 25.
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Re: The “pluck” of a circle is defined as the area of the circle [#permalink] New post 08 Apr 2018, 06:16
Area of circle is Pi*r^2 . When divided by Pi, we are left with r^2.

If r =2,

r^2 = 25.

Hence answer is 25.
Re: The “pluck” of a circle is defined as the area of the circle   [#permalink] 08 Apr 2018, 06:16
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The “pluck” of a circle is defined as the area of the circle

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