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3 cards from this section. Quick, good the night before a test.
What is the surface area of a sphere with a radius of 2 cm?
Use the formula 4πr².
What is the volume of a sphere with a radius of 1 cm?
Use (4/3)πr³.
What is the surface area formula of a sphere?
Think about the area covering the sphere.
The volume of a sphere is represented by which formula?
Consider what encompasses the sphere.
A spherical tank has a radius of 15 m. What is the total surface area of the tank?
Use the surface area formula.
If a balloon filled with helium has a radius of 7 cm, how much volume does it hold?
Apply the volume formula meticulously.
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