A circular well with a diameter of 2 metres, is dug to a depth of 4 metres. What is the volume of the earth dug out? Pick.
A) 26 m³  B) 28 m³  C) 44 m³  D) 46 m³  E) None
Sol.   Volume = ∏r²h = [22/7 * 1 * 1 * 14= 
<gadget id="calculator">22/7 * 1 * 1 * 14</gadget>
<output>44</output>
44m³   Answer 44 m³
<result>C</result>
A circular well with a diameter of 2 metres, is dug to a depth of 4 metres. What is the volume of the earth dug out?