如图角aoc=角cob

如图2叠放在一起,使角AOB=3角COB,计算角AOC的度数如图2叠放在一起,使角AOB=3角COB,计算角AOC的度数 如图2叠放在一起,使角AOB=3角COB,计算角AOC的度数120

如果角AOC=50°,求∠BOD,∠COB的度数.如果角AOC=50°,求∠BOD,∠COB的度数.如果角AOC=50°,求∠BOD,∠COB的度数.解∠BOD和∠AOC互为对顶角,因此∠BOD=∠A

如图,已知角AOB是角COB的补角,角DOB是角COB的余角,角AOC=2角DOC,求角AOB如图,已知角AOB是角COB的补角,角DOB是角COB的余角,角AOC=2角DOC,求角AOB如图,已知角

如图直线abcdef都经过点o.如果角AOC=50度,求角BOD,角COB的度数?已知角AOC=角BOD.如图直线abcdef都经过点o.如果角AOC=50度,求角BOD,角COB的度数?已知角AOC

如图,已知角COB=2角AOC,OD平分角AOB,且角AOC=40度,求角BOD的度数如图,已知角COB=2角AOC,OD平分角AOB,且角AOC=40度,求角BOD的度数 如图,已知角CO

如图AB、CD相交于点O,EO垂直与AB,角EOD=36度求角AOC、角COB如图AB、CD相交于点O,EO垂直与AB,角EOD=36度求角AOC、角COB如图AB、CD相交于点O,EO垂直与AB,角

OC垂直于OB,垂足为O,角COB与角AOC之差为60度.若将“角COB与角AOC之差为60度”省去,且已知角COB：角AOC=3:1,试求角AOB的度数.OC垂直于OB,垂足为O,角COB与角AOC

已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=19°,求角AOB已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=19°,求角AOB已知:如图,角COB=2角AOC

角COB=2角AOC,角AOD=角BOD,且角COD=19°求角AOB的度数角COB=2角AOC,角AOD=角BOD,且角COD=19°求角AOB的度数角COB=2角AOC,角AOD=角BOD,且角C

已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=19°,求角AOB已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=19°,求角AOB已知:如图,角COB=2角AOC

已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=25°,求角AOB已知:如图,角COB=2角AOC,角AOD=角BOD,且角COD=25°,求角AOB已知:如图,角COB=2角AOC

如图,已知角AOB=90度,角EOF=60度,OE平分角AOB,OF平分角BOC,求角AOC角COB如图,已知角AOB=90度,角EOF=60度,OE平分角AOB,OF平分角BOC,求角AOC角COB

已知角AOB=角COD=90°,又角AOD=150°,那么角AOC与角COB的度数之比是多少?已知角AOB=角COD=90°,又角AOD=150°,那么角AOC与角COB的度数之比是多少?已知角AOB

如图所示,已知角COB=2角AOC,OD平分角AOB,且角COD=20度,求角AOB的度数（后面要有根据）如图所示,已知角COB=2角AOC,OD平分角AOB,且角COD=20度,求角AOB的度数（后

角COB=2角AOCOD平分角AOB且角COD=19度求角AOB的度数角COB=2角AOCOD平分角AOB且角COD=19度求角AOB的度数角COB=2角AOCOD平分角AOB且角COD=19度求角A

如图所示,已知角COB=2角AOC,OD平分角AOB,且角COD=19度,求角AOB的度数（后面要有根据）如图所示,已知角COB=2角AOC,OD平分角AOB,且角COD=19度,求角AOB的度数（后

如图所示.已知角AOB=90度,角EOF=60度,OE平分角BOC,求角AOC和角COB的度数如图所示.已知角AOB=90度,角EOF=60度,OE平分角BOC,求角AOC和角COB的度数如图所示.已

如图所示,角COB=2角AOC,OD平分角AOB,角COD=19°,求角AOB的度数如图所示,角COB=2角AOC,OD平分角AOB,角COD=19°,求角AOB的度数如图所示,角COB=2角AOC,

ob是角aoc的平分线,od是角coe的平分线,如果角cob=50°,角doc=30°,那么角aoe等于多少?ob是角aoc的平分线,od是角coe的平分线,如果角cob=50°,角doc=30°,那

如图,角aob=90度,角cod=90度,角aoc=30度(1)求角cob,bod,aod的度数如图,角aob=90度,角cod=90度,角aoc=30度(1)求角cob,bod,aod的度数如图,角