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3 years ago

10

What is the exact volume of the cylinder?

2 answers:

egoroff_w [7]3 years ago

4 0

The formula for a cylinder is πr²*h where r is the radius and h is the height:

1.) Plug in r for 4, as the radius is 4
π(4)²*h

2.) Plug in h for 8, as the height is 8
π(4)²*8

3.) Simplify 4²
π(16)8

4.) Simplify 16*8
π128

5.) Don't forget your units, inches cubed (because you multiplied three dimensions all with inches, which results in the inches being multiplied three times as well)
π128 in³ or 128πin³

It is the third answer choice, hope this helped :)

dmitriy555 [2]3 years ago

3 0

The third choice 128pi in^3 which equals 402.12 in^3

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3 years ago

In AGHI, h = 300 inches, G=30° and H=29º. Find the length of i, to the nearest<br> inch.

dalvyx [7]

Given:

In triangle GHI, h = 300 inches, G=30° and H=29º.

To find:

The length of i.

Solution:

We have, G=30° and H=29º.

Using angle sum property, we get

$m\angle G+m\angle H+m\angle I=180^\circ$

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$59^\circ+m\angle I=180^\circ$

$m\angle I=180^\circ-59^\circ$

$m\angle I=121^\circ$

According to Law of sines,

$\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}$

Using Law of sines, we get

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$\dfrac{300}{\sin 29^\circ}=\dfrac{i}{\sin 121^\circ}$

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Multiply both sides by 0.8572.

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3 years ago

Linda's container of cranberry juice holds 200 ml. Harries container holds 7/8 as much juice. How many milliliters of cranberry

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