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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.

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.
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4 votes
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.

How would I find the surface area of the cone in terms of pi? It has a radius of 7 cm-example-1
User Cockypup
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2 Answers

1 vote

L.S.A = pi (7) (19) similar to 133*pi
3.14 * 133 similar to 417.62
similar to 417.62cm^2
User Zulema
by
8.8k points
3 votes
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.
User Tolio
by
8.1k points
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