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german
3 years ago
9

How would I find the surface area of the cone in terms of pi? It has a radius of 7 cm and a slant height of 19 cm.

Mathematics
2 answers:
Marina CMI [18]3 years ago
7 0

L.S.A = pi (7) (19) similar to 133*pi
3.14 * 133 similar to 417.62
similar to 417.62cm^2
julsineya [31]3 years ago
6 0
The formula is SA = \pi r^{2} + \pi rl.  r is the radius and l is the slant height.  In your case it would be 49\pi + 133\pi = 172\pi.
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Hope this helped

<u>formula: </u>

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<u><em></em></u>

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