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25 Jul 2019, 01:27
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A
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Difficulty:
65%
(hard)
Question Stats:
59% (02:19) correct
41%
(02:27)
wrong
based on 92
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Not Attempted Yet
[GMAT math practice question]
\(ABCD\) is a square with \(AB=10\). What is the perimeter of the shaded area?
7.25ps.png [ 14.82 KiB | Viewed 3811 times ]
\(A. \frac{10π}{3} +10\)
\(B. \frac{5π}{3} +10\)
\(C. \frac{5π}{6} +10\)
\(D. \frac{5π}{3} +5\)
\(E. \frac{5π}{6} +5\)
\(ABCD\) is a square with \(AB=10\). What is the perimeter of the shaded area?
Attachment:
7.25ps.png [ 14.82 KiB | Viewed 3811 times ]
\(A. \frac{10π}{3} +10\)
\(B. \frac{5π}{3} +10\)
\(C. \frac{5π}{6} +10\)
\(D. \frac{5π}{3} +5\)
\(E. \frac{5π}{6} +5\)
25 Jul 2019, 03:24
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The prompt should indicate that ABC and BCD are quarter-circles.
Perimeter of shaded region = AD + (AP+DP) = 10 + (more than 10)
Only A is viable:
\(\frac{10π}{3} +10\) = more than 10 + 10
MathRevolution
Perimeter of shaded region = AD + (AP+DP) = 10 + (more than 10)
Only A is viable:
\(\frac{10π}{3} +10\) = more than 10 + 10
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25 Jul 2019, 04:42
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