Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
measure of length =
1. ˜N
2. ŽÚ
3. ‘ 
4. Œx

ƒŒƒxƒ‹6. •ÏX
SDAL“‡‰pŒêŠwZ