Mathematics: Y = sec3(∅+ 60°) period and 5 key points?

Amie should have multiplied 54 by 2/3Step-by-step explanation:The formula of the volume of a sphere is given by , where r is the radius of the sphere. to find the volume of the sphere, we must find We know that the formula of a cylinder of height h and radius r is given by So We know that the sphere and the cylinder have the same height. Recall that the height of the sphere of radius r, is the diameter of a circle that passes through the heighest and lowest points of the sphere. Then, h=2r. This...

Y = sec3(∅+ 60°) period and 5 key points? - id36058680152, kerstynsharp08

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manlyman31

04.08.2021

Mathematics

Amie should have multiplied 54 by 2/3

Step-by-step explanation:

The formula of the volume of a sphere is given by

$\frac{4}{3}\pi r^3$ , where r is the radius of the sphere.

to find the volume of the sphere, we must find r^3

We know that the formula of a cylinder of height h and radius r is given by

$\pi r^2h$

So $54 = \pi r^2 h$

We know that the sphere and the cylinder have the same height. Recall that the height of the sphere of radius r, is the diameter of a circle that passes through the heighest and lowest points of the sphere. Then, h=2r. This means that

$54 = 2\pi r^3$

From here, we know that $\pi r^3 = \frac{54}{2}$ .

So the volume of the sphere is $\frac{4}{3}\frac{54}{2} = \frac{2}{3}\cdot54$ .

So Amie should have multiplied 54 by 2/3.

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Y = sec3(∅+ 60°)
period and 5 key points?

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