What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm?

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asked May 8, 2021 87.1k views

4 votes

What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm?

Mathematics
high-school

Troye asked

by Troye

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2 Answers

7 votes

Answer:

L=pi(r)(l)

l=pi(19)(11)

l=209pi

l=656.26

Explanation:

Pejman Zeynalkheyri answered May 9, 2021

by Pejman Zeynalkheyri

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7 votes

Answer:

About 1310.469 cm³

Explanation:

The formula is
$\pi r√(h^2+r^2)=\pi\cdot19\cdot√(11^2+19^2)\approx1310.46973$

Hope this helps, and PM me with any more questions!

Nikita Ryanov answered May 11, 2021

by Nikita Ryanov

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