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27 Jun 2022, 08:15
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
42% (01:37) correct
58%
(01:12)
wrong
based on 24
sessions
History
Date
Time
Result
Not Attempted Yet
In the figure shown below, O is the center of the circle and angle AOB is 90 degrees. If the distance between A and D is 10/√2, what is the area of the circle?
(A) 4π
(B) 5π
(C) 25π
(D) 50π
(E) 100π
2021-03-18_19-54-28.png [ 9.59 KiB | Viewed 2323 times ]
(A) 4π
(B) 5π
(C) 25π
(D) 50π
(E) 100π
Attachment:
2021-03-18_19-54-28.png [ 9.59 KiB | Viewed 2323 times ]
27 Jun 2022, 08:22
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Can anyone explain how the answer is C
Posted from my mobile device
Posted from my mobile device
27 Jun 2022, 09:09
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Bunuel
45:45:90
X:X:\(\sqrt{2}\)X
ATQ,
\(\sqrt{2}\)X = 10/\(\sqrt{2}\)
X = 5
Area = \(pie\)*\(5^2\)
