Unit 5 - Lesson 3

Volume of a Sphere

Key Terms and Formulas

  • A sphere is a a round solid figure, with every point on the surface the same distance from the center
  • Volume is the amount of space
    occupied by a three dimensional object

Let's Look at an Example!!

My daughter, Ellie, loves balloons, and wants a huge Cinderella themed one for her birthday. I found one that is a sphere and has a radius of 1.5 feet. How much air is needed to inflate the Cinderella balloon?
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