亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數學考題練習:如圖所示,在正方形ABCD中,對角線AC、BD!

數學考題練習:如圖所示,在正方形ABCD中,對角線AC、BD

更新時間:2024-01-12 16:25:03作者:貝語網校

如圖所示,在正方形ABCD中,對角線AC、BD交于O點,若AB=2,則AO長度為________.

試題答案

試題解析

在Rt△ABC中,已知AB、BC,根據勾股定理可以求AC的值,根據正方形對角線互相垂直平分的性質,即可求AO的值,即可解題.

解答:在Rt△ABC中,AB=BC=2,

則AC==AB=2,

∵正方形對角線互相平分

∴AO=OC=.

故答案為.

點評:本題考查了勾股定理在直角三角形中的運用,考查了正方形對角線互相平分的性質,本題中根據勾股定理求AC的值是解題的關鍵.

主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |