What is the volume of a sphere of radius 5? If we make a cylinder two times taller, and its radius three times bigger, how many times larger would it become in volume? See more

If a sphere has radius 3, what is its volume?

Find the volume of a spherical wedge with \(r=7,\) \(\theta=\frac{1}{12}\pi.\)

**Note:** Both the model Earth and its inner core are perfect spheres.

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