# High School Math : How to find the volume of a sphere in pre-algebra

## Example Questions

### Example Question #1 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

To solve for the volume of a sphere you must first know the equation for the volume of a sphere.

The equation is

Then plug the radius into the equation for  yielding

Then cube the radius to get

Multiply the answer by  and  to yield .

### Example Question #2 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

The formula for the volume of a sphere is .

Plug in our radius to solve:

### Example Question #3 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

The formula for the volume of a sphere is .

Plug in our radius to solve:

### Example Question #4 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Undefined

Explanation:

The formula for the volume of a sphere is .

Plug in our radius to solve:

Remember, an exponent just means a number times itself. That means that .

### Example Question #5 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

The formula for the volume of a sphere is .

Plug in our radius to solve:

### Example Question #6 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

The formula for the volume of a sphere is .

Plug in our radius to solve:

### Example Question #1 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

The formula for the volume of a sphere is .

Plug in our given values.

### Example Question #8 : How To Find The Volume Of A Sphere In Pre Algebra

If the volume of a sphere is , what is the radius?

Explanation:

The formula for volume of a sphere is .

Plug in our given information.

Notice that the 's cancel out.

Divide both sides by . Since we're dividing by a fraction, that means we need to multiply both sides by the reciprocal: .

### Example Question #9 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

To solve for the volume of a sphere you must first know the equation for the volume of a sphere.

The equation is

Then plug the radius into the equation for  yielding

Then cube the radius to get

Multiply the answer by  and  to yield .

### Example Question #10 : How To Find The Volume Of A Sphere In Pre Algebra

What is the volume of a sphere with a radius of ?

Explanation:

To solve for the volume of a sphere you must first know the equation for the volume of a sphere.

The equation is

Then plug the radius into the equation for  yielding

Then cube the radius to get

Multiply the answer by  and  to yield

.