Math Problem Statement

Calculate the radius of a sphere given its volume is 4800π mm³.

Solution

The formula for the volume of a sphere is given as:

V=43πr3V = \frac{4}{3} \pi r^3

We are provided with the volume V=4800π mm3V = 4800\pi \ \text{mm}^3. To find the radius rr, we need to solve for rr from the volume formula:

4800π=43πr34800\pi = \frac{4}{3} \pi r^3

We can simplify by canceling π\pi from both sides:

4800=43r34800 = \frac{4}{3} r^3

Next, solve for r3r^3:

r3=4800×34=3600r^3 = \frac{4800 \times 3}{4} = 3600

Now, take the cube root of both sides to find rr:

r=36003r = \sqrt[3]{3600}

Let me calculate this for you.The radius rr of the sphere is approximately 15.33 mm, rounded to two decimal places.

Would you like more details or have any questions? Here are some related questions:

  1. How is the volume of a sphere formula derived?
  2. What is the significance of the π\pi symbol in this equation?
  3. How do you convert the volume if it was given in different units, like cm³ instead of mm³?
  4. Can this formula be applied to non-spherical objects?
  5. How would the calculation change if the volume was given without π\pi?

Tip: Always simplify equations by canceling out common terms like π\pi to make solving easier.

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Math Problem Analysis

Mathematical Concepts

Geometry
Spheres
Volume and Radius Relations

Formulas

Volume of a sphere formula: V = (4/3)πr³

Theorems

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Suitable Grade Level

Grades 8-10