A rope of which a calf is tied is increased from 15 m to 18m, how much additional grassy ground shall it graze? Pick one:
A) 1218	B) 1212	C) 1210	D) 3.11.14	E) 291.1
π (182 – 152) = 311.14   Answer: 3.11.14
<result>D</result>
A rope of which a calf is tied is increased from 15 m to 18m, how much additional grassy ground shall it graze?