初二数学竞赛题
asinfigure2,inaquadrilateraiabcd,wehaveitsdiagonalacbisects∠dab,andab=21,ad=9,bc=dc=1...
as in figure 2,in a quadrilaterai abcd,we have its diagonal ac bisects ∠dab,and ab=21,ad=9,bc=dc=10,than the distance from point c to line ab is ,and thelength of ac is .翻译及答案
展开
2个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询