Bar pantograph 2
OABD: parallelogram.
COE: straight line
O: immobile
OE/OC = DE/BD = k = constant
Figures traced by pen E and pen C are similar but upside down each other when O is between C and E. Scale factor is k.
OABD: parallelogram.
COE: straight line
O: immobile
OE/OC = DE/BD = k = constant
Figures traced by pen E and pen C are similar but upside down each other when O is between C and E. Scale factor is k.