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04 Jul 2018, 20:52
Kudos
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
77% (00:39) correct
23%
(00:41)
wrong
based on 581
sessions
History
Date
Time
Result
Not Attempted Yet
The circle shown has center O and radius 4. What is the area of the shaded region?
A. 3π
B. 4π
C. 6π
D. 8π
E. 12π
Attachment:
GAMT_20120410182636313_3890.png [ 7.38 KiB | Viewed 30592 times ]
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04 Jul 2018, 21:40
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Bunuel
Given, the un-shaded sector of the circle makes central angle of \(90^{\circ}\).
hence, un-shaded region is one-fourth of the total area of the circle & shaded region is three-fourth of the total area of the circle.
Area of shaded region= \(\frac{3}{4}\)(\(\pi\)\(r^2\))=\(\frac{3}{4}\)\(\pi\)*\(4^2\)
=12\(\pi\)
Ans. (E)
General Discussion
05 Jul 2018, 01:28
Kudos
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Don't be me, read the stem carefully, thoroughly, attentively, twice.
The shaded region isn't that small region between 3 and 6 o'clock
This question decreased my self-esteem and I fell in deep despair
The shaded region isn't that small region between 3 and 6 o'clock
This question decreased my self-esteem and I fell in deep despair
