A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?	Choose the correct choice from the following answers:
A) 2888 B) 2790 C) 1210 D) 2756 E) 2991
π (232 – 122)   = 1210   Answer: 1210
<result>C</result>
A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?