Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
circumference =
1. ŠÏ
2. Žü
3. —Ö
4. α

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ