从O引四条射线OA,OB,OC,OD,如果角AOB:角BOC:角COD:角DOA=1:2:3:4,那么角AOB=______,角BOC=______,角COD=______,角DOA=_______.

热心网友

设角aob为x度10x=360x=36角aob=36度,角boc=72度,角cod=108度,角doa=144度