A right cylinder has a diameter of 30 mm and a height of 30 mm, as shown.

What is the volume of the cylinder?

What is the volume of the cylinder?

"As shown"? You have a picture to work with but you’re not sharing it?

Fortunately, the question includes all the information that’s needed to answer it,

so I don’t need to see the picture.

The **volume of a cylinder** is **(pi) x (radius)² x (height) **.

Radius = 1/2 of the diameter = 15 mm**Volume** = (pi) x (15 mm)² x (30 mm) = 6,750 pi mm³ = **21,205.75 mm³.**

That’s a correct answer, but the number is slightly awkward and inconvenient. Let’s

change it to a bigger unit, so the number will be smaller and easier to carry around.

Remember that 10 mm = 1 cm

So (10 mm)³ = 1,000 mm³ = 1 cm³

and 21,205.75 mm³ = **21.20575 cm³**

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