>
数学
>
已知:如图,AB=AC,AD=AE,∠BAC=∠DAE,
求证:BD=CE.
人气:118 ℃ 时间:2019-11-02 18:08:39
解答
证明:∵∠DAE=∠BAC,
∴∠DAE-∠BAE=∠EAC-∠BAE,
∴∠BAD=∠CAE,
在△BAD和△CAE中,
AD=AE
∠BAD=∠CAE
AB=AC
,
∴△BAD≌△CAE(SAS),
∴BD=EC.
推荐
已知:如图,AD=AE,AB=AC,∠DAE=∠BAC.求证:BD=CE.
已知:如图,AD=AE,AB=AC,∠DAE=∠BAC.求证:BD=CE.
已知:如图,AB=AC,AD=AE,∠BAC=∠DAE, 求证:BD=CE.
已知:如图,AB=AC,AD=AE,∠BAC=∠DAE, 求证:BD=CE.
已知:如图,AB=AC,AD=AE,∠BAC=∠DAE, 求证:BD=CE.
电功率等于电流平方乘以电阻与电功率等于电压平方除以电阻区别
“严禁乱穿街道”改为生动的提示语
Only Believe in you Only Stand by you是什么意思
猜你喜欢
盐水,酒精的密度是多少?
做一个长6cm,宽4dm,高2dm的无盖金鱼缸,至少要多少平方分米的玻璃?如果玻璃的价格是每平方米12元,至少要
6.7.8.9加减乘除等于24,但是每个数字必须只能用到一次?
700除以25的简算
英语里面有顿号吗?
It was a cold winter,and Mrs. Owen wanted to do some 31 . so she waited until it was Saturday,when her husband was free.
两根绳子一共长48米,从第一根绳子上减去6.42米后,第二根绳子的长度比第一根剩下的2倍还多5.58米.两根绳子原来个长多少米?
I want to try to play the game you show us last week. 这句话请问有语法错误吗?
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版