Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
angle or corner =
1. •ƒ
2. “–
3. Šp
4. Ë

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ