Real math help.
How Do You Find the Volume of a Sphere?
Note:
Want to find the volume of a sphere? If you know the radius of the sphere, you can simply plug that value into the formula for the volume of a sphere and simplify! This tutorial shows you how!
Background Tutorials
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Order of Operations
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What's the Order of Operations?
Check out this tutorial where you'll see exactly what order you need to follow when you simplify expressions. You'll also see what happens when you don't follow these rules, and you'll find out why order of operations is so important!
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Algebraic Expressions
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What is a Variable?
You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
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Exploring Irrational Numbers
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What's an Irrational Number?
Is an irrational number just a way to describe a number that's lost its mind? Not really. :) An irrational number is simply a number that cannot be written as a fraction. Check out the definition, learn an important property of these special numbers, and take a look at some examples of irrational numbers.
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Volumes of Spheres
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What is the Formula for the Volume of a Sphere?
Trying to find the formula for the volume of a sphere? Then check out this tutorial! You'll see how to use a cylinder with the same dimensions to find the formula for the volume of a sphere. Take a look!
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Comparing Spherical and Euclidean Geometry
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What is a Sphere?
Every played with a bouncy ball, a volleyball, a basketball, or a baseball? Those are all spheres! Check out this tutorial to see what defines a sphere and learn its different parts. Take a look!
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Further Exploration
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Volumes of Cylinders
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How Do You Find the Volume of a Cylinder?
The volume of a cylinder is the amount of space that will fit inside it. You can use the formula for the volume of a cylinder to find that amount! In this tutorial, see how to use that formula and the radius and height of the cylinder to find the volume. Check it out!
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