12-02-2021
Mathematics

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

Find the surface area of the cylinder Use a 314 20 m class=

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ahmedmido1595 ahmedmido1595

12-02-2021

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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