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 choices
A) 1210  B) 2772  C) 2678  D) 2672  E) 2992
π (232 – 122) = 1210   1210nswer:1210
<result>A</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?