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Butoxors [25]
3 years ago
7

Find the surface area of the cylinder. Use a ~ 3.14 20 m​

Mathematics
1 answer:
lesantik [10]3 years ago
6 0

Answer:

1444.4 m2

Step-by-step explanation:

Surface Area = 2 * 3.14 * (R*R + R*L) = 2 * 3.14 * (10*10+10*13) = 1444.4 m2

Note .. You can Derive this  

"Surface Area = 2 * 3.14 * (R*R + R*L)"

Using Calculus by differentiating its Volume

V = 3.14 * R * R * L

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