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# What is the ratio of the area to the circumference in circle X? (1)

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Math Expert
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What is the ratio of the area to the circumference in circle X? (1)  [#permalink]

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13 Sep 2018, 02:26
00:00

Difficulty:

45% (medium)

Question Stats:

67% (01:10) correct 33% (00:50) wrong based on 19 sessions

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What is the ratio of the area to the circumference in circle X?

(1) In circle X, the ratio of the circumference to the radius is 2π.
(2) In circle X, the ratio of the diameter to the circumference is 1/π.

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What is the ratio of the area to the circumference in circle X? (1)  [#permalink]

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Updated on: 13 Sep 2018, 04:01
Bunuel wrote:
What is the ratio of the area to the circumference in circle X?

(1) In circle X, the ratio of the circumference to the radius is 2π.
(2) In circle X, the ratio of the diameter to the circumference is 1/π.

(1) In circle X, the ratio of the circumference to the radius is 2π.
2pir/2pi
r=?
insufficient

(2) In circle X, the ratio of the diameter to the circumference is 1/π
2r/2$$\pi$$r=$$\frac{1}{\pi}$$
r=?
insufficient

E

Originally posted by CounterSniper on 13 Sep 2018, 03:45.
Last edited by CounterSniper on 13 Sep 2018, 04:01, edited 1 time in total.
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Re: What is the ratio of the area to the circumference in circle X? (1)  [#permalink]

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13 Sep 2018, 03:59
1
Bunuel wrote:
What is the ratio of the area to the circumference in circle X?

(1) In circle X, the ratio of the circumference to the radius is 2π.
(2) In circle X, the ratio of the diameter to the circumference is 1/π.

Question: Ratio of Area to the circumference $$= πr^2 / 2πr = r/2 =$$ ?

Statement 1:In circle X, the ratio of the circumference to the radius is 2π
This is true for any circle and doesn't provide us the radius hence
NOT SUFFICIENT

Statement 1:In circle X, the ratio of the diameter to the circumference is 1/π

2r/2πr = 1/π
This is true for any circle and doesn't provide us the radius hence
NOT SUFFICIENT

Combining also doesn't give us anything new as the statements have no information

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Re: What is the ratio of the area to the circumference in circle X? (1)   [#permalink] 13 Sep 2018, 03:59
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