AB PARALLEL TO CD n circle touches all 4 side so ab n cd r two parralel tangents that is distance between dem is daimeter so r=da/2 now its a trapzoid so area=18=1/2x da x(ab +cd) also when it touches all 4 sides ab+cd=bc+da (10th ki property hai) 3cd=da+bc further bc=rt ad^2+cd^2 solving all dis u get 8 cd^2=6(ad x cd ) ad=4/3 r=2/3
nobody is wrong
even a stopped clock is right twice a day
Moderation Team
![[Post New]](/templates/default/images/icon_minipost_new.gif){kind=icon}
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
230
