梯形已知四边求高,上下底43,16,两腰36,38.
梯形已知四边求高,上下底43,16,两腰36,38.
数学人气:602 ℃时间:2020-04-15 13:42:28
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过已知梯形ABCD AB=16 CD=43 BC=36 AD=38∴A,B分别做AE⊥CD于E BF⊥CD于F设DE=a AE=h则a²+h²=38²(27-a)²+h²=36²但是这里的a和h求出来都是一个小数.是不是数据有问题额.方法是可以采...
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