Volume- Sphere, Cone, Cylinder

Volume- Sphere, Cone, Cylinder

Applying the volume formula

I need volume...

Write out the equation.
Look at the directions - are you using 3.14 or $\pi$  

Do you have the radius or diameter? If you have diameter what should you do first?
Make sure that you square or cube the radius

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Soccer balls come in several different sizes. One of the soccer balls has a diameter of 24 centimeters.

What is the volume of this soccer ball ?

Round your answer to the nearest tenth.

Use the approximate of value of π, that is 3.14.

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The height and diameter of a cone-shaped storage tank are 9 feet and 14 feet respectively.

Find the volume of liquid the tank can hold.

Round your answer to the integer, if necessary.

Use the approximate of value of π, that is 3.14.

I have the volume...

How is the volume written? Do you se pi?
If you have  $\pi$  then you should use it when you write your equation.  

You will divide your volume by pi, the fraction (if cone/sphere), and the other value given. 

If you are finding radius don't forget to  $\sqrt{r^2}$  or   $3_{\sqrt{r^3}}$  

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The volume of a CONE is   $480\pi\ cm^3$ . 

The height of the cone is 10cm.

What is the radius?

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A softball has a volume of  $\frac{125}{6}\pi$  cubic inches. 

Find the radius of the softball. 

Relationships...

How are cones related to cylinders? How does the formula change?

How are spheres different from cylinders? How is the formula different?

Can we compare cones and spheres?

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The volume of the CONE is  $36\pi$  

What is the volume of a CYLINDER that has the same base and the same height. 
Use 3.14 for  $\pi$