又再請求大家 [復制鏈接]

啲數真係好鬼死難

In the figure, AB is a diameter. Chords AD and BC intersect at F. AD cuts OC at E and BC cuts OD at G. If <COD = 42', find x+y.







或者仲有第二啲數

<AOC=2y(< at centre twice < at curr.)
<BOD=2x(< at centre twice < at curr.)

跟住識la~~

幅圖...........x左ge

下面是引用傷心小sam於2006-01-29 20:27發表的:
幅圖...........x左ge

係咩

下面是引用hk20020062於2006-01-29 20:36發表的:
係咩

係ar.........
一幫你做完就x左

下面是引用傷心小sam於2006-01-31 14:41發表的:
係ar.........
一幫你做完就x左

del咗ma