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23 Oct 2017, 07:48
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B
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Difficulty:
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84% (01:23) correct
16%
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If R is the radius of a certain circle, is the area of this circle greater than the circumference of this circle?
1. 0<R<3
2. The diameter of the circle is greater than 4
1. 0<R<3
2. The diameter of the circle is greater than 4
23 Oct 2017, 07:54
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Skywalker18
The question asks: is \(\pi r^2 > 2\pi r\)?
Is \(r > 2\)?
The first statement is NOT sufficient because r can be less as well as more than 2.
The second statement IS sufficient, because it says that r > 2.
Answer: B.
