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3 years ago

Help please can’t find the answer

Mathematics

1 answer:

PolarNik [594]3 years ago

4 0

Answer:

$\large\boxed{V=99\pi}$

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have 2r = 6 → r = 3, H = 11.

Substitute:

$V=\pi(3^2)(11)=99\pi$

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Answer:

$\sin d = \frac{4}{7}$ ; $\sin e = \frac{\sqrt{33} }{7}$

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Step-by-step explanation:

For a right angled triangle with one of its angle α (alpha) :-

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__________________________________________________

According to the question ,

1) When α (alpha) = d

$\sin d = \frac{4}{7}$

$\cos d = \frac{\sqrt{33} }{7}$

$\tan d = \frac{4}{\sqrt{33} }$

2) When α (alpha) = e

$\sin e = \frac{\sqrt{33} }{7}$

$\cos e = \frac{4}{7}$

$\tan e = \frac{\sqrt{33} }{4}$

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3 years ago

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yulyashka [42]

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and
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Step-by-step explanation:

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