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Area of the circle with radius sqrt7

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Area of the circle with radius sqrt7 [#permalink] New post   04 Oct 2022, 05:50
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58% (00:48) correct 41% (00:44) wrong based on 12 sessions

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Quantity A
Quantity B
Area of the circle with radius \(\sqrt{7}\)
Area of the circle with diameter \(\sqrt{14}\)



A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.


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Re: Area of the circle with radius sqrt7 [#permalink] New post   04 Oct 2022, 11:50
1
Area of circle = (22/7 )(r^2)

Quantity A
22/7(root7)^2 = 22

Quantity B
Diameter =2r r = (root14)/2
Now 22/7((root14)/2)^2
22/7(14/4) = 11

Quantity A is greater

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Re: Area of the circle with radius sqrt7 [#permalink]
04 Oct 2022, 11:50
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