Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ‘¾
2. ‰ï
3. Šp
4. –¾

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ