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 most appropriate option:
A) 1218  B) 1212  C) 1210  D) 277  E) 291
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?