CE = DF V8, SO CE DF . Slope of CE ~1,, and slope of DF = 1, so CE L DF_ (2,0) is the mdpt. of CE and DF s0 CE and DF bisect each other.
CE = DF 5 V4, so CE DF Slope of CE = 1, and slope of DF = F1 SO CE LDF_ (0,2) is the mdpt. of CE and DF, so CE and DF bisect each other_