從O引四條射線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=_______.

熱心網(wǎng)友

設(shè)角aob為x度10x=360x=36角aob=36度,角boc=72度,角cod=108度,角doa=144度