满分5 > 初中数学试题 >

如右图,在△ABC中,AC = BC,D是BC边上一点,且AB=AD=DC,则∠...

如右图,在△ABC中,AC = BC,D是BC边上一点,且AB=AD=DC,则∠C=_________°.

6ec8aac122bd4f6e

 

36 【解析】 AD=DC, ∠C=∠DAC, ∠ADB=∠C+∠DAC, ∠ADB=2∠C AB=AD, AC = BC ∠B=∠BAC=∠ADB=2∠C, ∠B+∠BAC+∠C=180°∠C=36°
复制答案
考点分析:
相关试题推荐

点(6ec8aac122bd4f6e6ec8aac122bd4f6e)关于6ec8aac122bd4f6e轴对称的点的坐标为___________________.

 

查看答案

如图,点6ec8aac122bd4f6e在双曲线6ec8aac122bd4f6e上,点6ec8aac122bd4f6e与点6ec8aac122bd4f6e关于6ec8aac122bd4f6e轴对称,则此双曲线的解析式为                                    

6ec8aac122bd4f6e

 

查看答案

函数6ec8aac122bd4f6e自变量的取值范围是__________

 

查看答案

如图,在△ABC中,∠ACB=90°,ACBC=2.EF分别是射线ACCB上的动点,且AEBFEFAB交于点GEHAB于点H,设AExGHy,下面能够反映yx之间函数关系的图象是(    )

6ec8aac122bd4f6e

6ec8aac122bd4f6e

 

查看答案

如图,AB是⊙O的直径,AB=4,AC是弦,AC6ec8aac122bd4f6e,∠AOC为(    )

6ec8aac122bd4f6e

         A.120°                               B.130°                               C.140°                               D.150°

 

查看答案
试题属性

Copyright @ 2008-2019 满分5 学习网 ManFen5.COM. All Rights Reserved.