????????????? normal kan=ROUND kan ??????????
yu sae "width=2"......that seem tu impli a square kan
######## we assume ROUND kan & DIAMETER=2 ########
kan hite=5
label hite=4.5
kan rimleng=pi*diameter=3.141592654*2
=6.2831853
label area=6.2831853*4.5
=18.27433385
or bout 18.3