A circular well with a diameter of 2 metres , is dug to a depth of 8 metres. What is the volume of the earth dug out?	Choose the most appropriate option
A) 32 m 3
B) 25.1 m 3
C) 40 m 3
D) 44 m 3
E) none

Rationale: "solution volume = π r 2 h ‹ = › ( 22 / 7 × 1 × 1 × 8 ) m 3 ‹ = › 25.1 m 3 . answer b"
Answer: B