Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
circumference =
1. Žü
2. ŒP
3. –¯
4. Žc

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ