Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ŽZ
2. Šp
3. Žñ
4. —¢

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ