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What is the surface area of a sphere with radius of 3.5? A. 12.25p B. 14p C. 24.5p D. 49p
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What is the surface area of a sphere with radius of 3.5? A. 12.25p B. 14p C. 24.5p D. 49p
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Jun 26, 2017
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What is the surface area of a sphere with radius of 3.5? A. 12.25p B. 14p C. 24.5p D. 49p
Mathematics
high-school
Mark Wilbur
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Mark Wilbur
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S=4π
r
2 - this is the equation for the surface area of a sphere. We know that the radius (r) is 3.5 so here's how to solve this:
S = 4
π r2
S = 4
π (3.5)2
S = 4
π 12.25
S = 49
π
The surface area of a sphere with radius of 3.5 is
49
π
.
Waylonion
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Jul 2, 2017
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Waylonion
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