Question: a circular well with a diameter of 6 metres , is dug to a depth of 24 metres . what is the volume of the earth dug out ?
A)  678.6 m^ 3
B)  36 m ^3
C)  40 m^ 3
D)  44 m ^3
E)  none
Correct answer: a
Grade: 8 | Topic: Geometry | Difficulty: Medium | Standard: 8.G.C.9