>
数学
>
如图,OA⊥OB,OC⊥OD,∠BOC-∠AOD=40°,求∠BOC与∠AOD的大小.
人气:261 ℃ 时间:2019-10-08 04:49:15
解答
∠AOD+∠BOC=360°-(∠BOC-∠AOD)=360°-90°-90°=180°,
又∵∠BOC-∠AOD=40°,
∴∠BOC=110°,∠AOD=70°.
推荐
如图,OA⊥OC,OB⊥OD,且∠AOD=3∠BOC,求∠BOC的度数.
如图,OA⊥OC,OB⊥OD,且∠AOD=3∠BOC,求∠BOC的度数.
如图,OA⊥OB,OC⊥OD,∠AOD=146°,则∠BOC=_.
OA垂直OB,OC垂直OD,若角BOC=a,请你用a表示角AOD
如图,OA⊥OB,OC⊥OD,且∠AOD:∠BOC=4:5,求∠BOC的度数
已知方程组{X+4Y=15,{5X-6Y=33,求2X-5Y的值
把数字4写在一个三位数的左边,在把得到的数加上600,所得的和正好是原数的24倍,求原数.
there is a book in his hand 改同意句 ()()a book in his hand
猜你喜欢
保持健康是 keep healthy还是keep health
this is my ruler.that is his dictionary.this is my uncle.these are his pens.复数,复数
-Would you like to have __ cake?-No,thanks.I have two.That is enough.
When we talk about Hollywood什么意思
听他的音乐可以使我放松用英语怎么说
假如生活欺骗了你,未选择的路划分节拍
小于0的自然数为什么能构成集合
关于x的方程(2k-1)x2-(2k+1)x+3=0是一元一次方程,则k值为( ) A.0 B.1 C.12 D.2
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版