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x > 60°
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20 Sep 2018, 16:31
20 Sep 2018, 16:31
Expert Reply
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Question Stats:
48% (01:20) correct
51% (01:09) wrong based on 68 sessions
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x > 60°
Quantity A |
Quantity B |
The ratio of the length of arc ABC to the circumference of the circle |
\(\frac{1}{3}\) |
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.
Re: x > 60°
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12 Jan 2019, 20:28
12 Jan 2019, 20:28
Expert Reply
sandy wrote:
Attachment:
Capture.JPG
x > 60°
Quantity A |
Quantity B |
The ratio of the length of arc ABC to the circumference of the circle |
\(\frac{1}{3}\) |
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.
Concept..
The degree of circumference can be found from the angle an arc makes at centre..
Here the angle at centre will be twice of the angle made at circumference by the arc ABC.
So arc ABC makes an angle X at circumference, so it will be 2x at centre and 2x>2*60
So A= The ratio of the length of arc ABC to the circumference of the circle= (>120)/360=(>1/3)=(>B)
Thus A>B
A
Re: x > 60°
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08 Sep 2021, 08:15
08 Sep 2021, 08:15
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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