A rope of which a calf is tied is increased from 10 m to 23 m, how much additional grassy ground shall it graze?  Select:
A) 1217	B) 1348.2	C) 1210	D) 1212	E) 1312
π (232 – 102) = 1348.2   Answer:1348.2
<result>B</result>
A rope of which a calf is tied is increased from 10 m to 23 m, how much additional grassy ground shall it graze?