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Home > A2C > Chapter 10 > Lesson 10.2.1 > Problem 10-70


Graph . Imagine revolving this graph around the x-axis, faster and faster, so that it appears to form a sphere. Sketch the sphere and then find its volume. Note: The volume of a sphere is given by .

Square both sides of the first equation and convert it into graphing form. What is the radius of the sphere?