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# What is the area of a circular region that has a circumferen

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Joined: 07 Jan 2018
Posts: 597
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Kudos [?]: 525 [1] , given: 88

What is the area of a circular region that has a circumferen [#permalink]  23 Mar 2018, 00:08
1
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Question Stats:

100% (00:18) correct 0% (00:00) wrong based on 2 sessions
What is the area of a circular region that has a circumference of 10π?

A)√10π
B)5π
C)10π
D)25π
E)30π
[Reveal] Spoiler: OA
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Joined: 15 Jan 2018
Posts: 147
GMAT 1: Q V
Followers: 3

Kudos [?]: 179 [1] , given: 0

Re: What is the area of a circular region that has a circumferen [#permalink]  23 Mar 2018, 00:47
1
KUDOS
Circumference is 2pi*r. Therefore, radius is 5 and area is Pi $$r^2$$ or 25pi
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Re: What is the area of a circular region that has a circumferen   [#permalink] 23 Mar 2018, 00:47
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