Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. ‘½
2. Šp
3. –å
4. ‘g

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ