Question

A solid sphere just fits inside a cube that has an
edge length equal to the diameter of the sphere.
The edge length of the cube is 5.8 cm. What is
the volume of air in the cube to the nearest
cubic centimetre?
v^3 = 5.8^3

vsphere = (4/3) pi (5.3/2)^3

subtract
93 cm cubed
12
How did you get 5.3/2 in the volume of a sphere

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