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01 Apr 2016, 04:02
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E
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92% (00:28) correct
8%
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What is the area of a circle with circumference \(14\pi\)?
A. 7
B. 49
C. \(7\pi\)
D. \(14\pi\)
E. \(49\pi\)
A. 7
B. 49
C. \(7\pi\)
D. \(14\pi\)
E. \(49\pi\)
01 Apr 2016, 04:14
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Bunuel
What is the area of a circle with circumference \(14\pi\)?
A. 7
B. 49
C. \(7\pi\)
D. \(14\pi\)
E. \(49\pi\)
A. 7
B. 49
C. \(7\pi\)
D. \(14\pi\)
E. \(49\pi\)
Circumference : 2 *pi *r = 14*pi
r= 7
Area = pi * r^2
= 49 * pi
Hence E
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03 Apr 2016, 17:12
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circumference = 14 pie => radius = 7
hence Area = 49 pie => E
hence Area = 49 pie => E
