30°
在四边形ABCD中,角CAD=12度,角CAB=36度,角ABD=48度,角CBD=24度.求角ACD的度数.
在四边形ABCD中,角CAD=12度,角CAB=36度,角ABD=48度,角CBD=24度.求角ACD的度数.
CD不平行于AB,是任意四边形
CD不平行于AB,是任意四边形
数学人气:725 ℃时间:2019-11-21 10:17:30
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