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AB is a diameter of the circle. ∠ ABC = 20 °
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16 Jan 2019, 17:35
16 Jan 2019, 17:35
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Question Stats:
70% (00:33) correct
29% (02:08) wrong based on 68 sessions
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#GREpracticequestion AB is a diameter of the circle.jpg [ 29.83 KiB | Viewed 7532 times ]
AB is a diameter of the circle. \(∠ ABC = 20 °\)
Quantity A |
Quantity B |
The measure of \(∠ BAC\) |
\(70°\) |
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: AB is a diameter of the circle. ∠ ABC = 20 °
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16 Jan 2019, 20:45
16 Jan 2019, 20:45
2
Carcass wrote:
Attachment:
#GREpracticequestion AB is a diameter of the circle.jpg
AB is a diameter of the circle. \(∠ ABC = 20 °\)
Quantity A |
Quantity B |
The measure of \(∠ BAC\) |
\(70°\) |
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.
Explanation::
Since AB is diameter, hence \(\angle C = 90°\)
Therefore in \(\triangle ABC\)
\(\angle A + \angle B + \angle c= 180°\)
or \(\angle A = 180° - 90° - 20° = 70°\)
Hence \(Qty A = Qty B\) i.e. Option C
Re: AB is a diameter of the circle. ABC = 20 °
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01 Aug 2022, 06:50
01 Aug 2022, 06:50
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