<prompt> Mraba ABCD ina kituo cha O, AB900, E na F ziko kwenye AB na AE  <response>: asy ukubwa 200; defaultpenlinewidth0.7fontsize10; jozi A0,9, B9,9, C9,0, D0,0, E2.5-0.5sqrt7,9, F 6.5-0.5sqrt7,9, G4.5,9, O4.5,4.5; choraA--B--C--D--A; choraE--O--F;choraG--O; nuktaABCDEFGO; leboA,A,-1,1;leboB,B,1,1;leboC,C ,1,-1;leboD,D,-1,-1; leboE,E,0,1;leboF,F,1,1;leboG,G, -1,1;leboO,O,1,-1; lebox,E2G2,0,1;leboy,G2F2,0,1; lebo450,OG2,-1,1; asyAcha G iwe msingi wa kipengee kutoka O hadi AB. Rejelea x EG na y FG, na x y tangu AE 