ve aong us !!!!!!!!!
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KD
24 tháng 9 2016
a﴿ Ta có : AB // Ox ﴾đề bài﴿
=>\(\widehat{COB}\)+ \(\widehat{ABO}\) = 180\(^o\) ﴾vì là 2 góc trong cùng phía﴿
Mà \(\widehat{COB}\) = 30\(^o\) ﴾đề bài﴿
=> 30\(^o\) + \(\widehat{ABO}\) = 180\(^o\)
\(\widehat{ABO}\) = 180\(^o\) ‐ 30\(^o\)
\(\widehat{ABO}\) = 150\(^o\)
Ta có : AB // Ox
=> \(\widehat{COB}\) = \(\widehat{ABy}\) ﴾vì là 2 góc đồng vị﴿
Mà \(\widehat{COB}\) = 30\(^o\)
=> \(\widehat{ABy}\) = 30\(^o\)
b﴿ Ta có : Oy // AC
=> \(\widehat{ABy}\) = \(\widehat{CAB}\) ﴾vì là 2 góc so le trong﴿
Mà \(\widehat{ABy}\)= 30\(^o\) ﴾CMT﴿
=> \(\widehat{CAB}\)= 30\(^o\)
Ta có : AB // Ox
=> \(\widehat{\text{x}CA}\)= \(\widehat{CAB}\) ﴾vì là 2 góc so le trong﴿
Mà \(\widehat{CAB}\) = 30 o ﴾CMT﴿
=> \(\widehat{\text{xCA}}\) = 30\(^o\)
21 tháng 9 2016
a) Ta có : AB // Ox (đề bài)
=> COB + ABO = 180o (vì là 2 góc trong cùng phía)
Mà COB = 30o (đề bài)
=> 30o + ABO = 180o
ABO = 180o - 30o
ABO = 150o
Ta có : AB // Ox
=> COB = ABy (vì là 2 góc đồng vị)
Mà COB = 30o => ABy = 30o
b) Ta có : Oy // AC
=> ABy = CAB (vì là 2 góc so le trong)
Mà ABy = 30o (CMT)
=> CAB = 30o
Ta có : AB // Ox
=> xCA = CAB (vì là 2 góc so le trong)
Mà CAB = 30o (CMT)
=> xCA = 30o
NN
15 tháng 11 2018
l:Give the correct form of the word in brackets to complete the following sentences :
1: she has the most..adorable . two-year old girl (adore)
2: he's.addicted.. to computer games (addict)
3: the ideal candidate will be an effective..communication...(communicate)
4: the best films are those which transcend national or..cultural..barriers(culture)
8:she listens to classical music for..relaxing...(relax)
9: you haven't yet given us a ...satisfied....explanation(satisfy)
10: the ....social.....party has been in office for almost ten years (society)
KY
9 tháng 5 2022
câu 1 b viết chưa có từ cho sẵn nha
mình sửa lại 1 chút
They haven't lived here longer than us
c2 thì mình nghĩ là
He is eager who wants to help us in any way he can
K
15 tháng 7 2018
" We got married six months ago '' she said to us
She said to us that they had got married six months before
" We've brought you a present '' she said to me
She said that they had bought me a present
LD
22 tháng 7 2017
Read the passage and fill in each space with on suitable word.
To many people, their friends are the most important ---people---- in their life. Really good friends -share------ the good times and the best time, help you when you've got problem, never judge you and never tuen their back on you. Your best friend may be --someone------ you've known all your life, someone you've grown up with and been through lots of ----up----- and down with. There are all sorts of things that can bring about this special relationship. It may be the ----same--- of enjoying the same activities, having the outlook of life, or sharing similar experiences. Most of us have met someone that we've immidiately feel ralaxed with, ---even------ if we've known them for years. However, ussually it really does take you years to ---get---- to know someone well enough to consider him your best friend. To majority of ---us- this is someone we trust completely and who understand us than anyone else. It's the person you can turn to for impartial advice and a shoulder to cry on ---when---- life gets you down.
M
10 tháng 8 2019
To many people, their friends are the most important people in their life. Really good friends share the good times and the best time, help you when you've got problem, never judge you and never tuen their back on you. Your best friend may be someone you've known all your life, someone you've grown up with and been through lots of up and down with. There are all sorts of things that can bring about this special relationship. It may be the same of enjoying the same activities, having the outlook of life, or sharing similar experiences. Most of us have met someone that we've immidiately feel ralaxed with, even if we've known them for years. However, ussually it really does take you years to get to know someone well enough to consider him your best friend. To majority of us this is someone we trust completely and who understand us than anyone else. It's the person you can turn to for impartial advice and a shoulder to cry on when life gets you down.
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