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

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ