Question

calculati raportul segmentelor [AB]si[CD] stiind ca :
a)AB=3cm,CD=20mm
b)AB=40mm,CD=0,4 dm
c)AB=6m,CD=1,2dam
d)AB=3,8hm,CD=0,19km
cine radspunde îi dau coroana

Answer 1

20 mm=2cm
AB/CD=3/2
B)0,4 dm=40mm
AB/CD=40/40=1
 c)1,2 dam=12m
AB/CD=6/12=1/2
d)0,19km=1,9hm
AB/CD=3,8/1,9=2