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14 tháng 4 2018

B A C D F E

a) Ta có : góc ABD = DBC ( 1 ) ( BD là tia phân giác của góc ABC )

    Ta lại có : BC // BE

   => Góc CBD = EDB ( 2 ) ( SLT )

Từ ( 1 ) , ( 2 ) suy ra Góc ABD = EDB

 Hay EBD cân tại E

b) Ta có : góc FDC = ABC ( tự chứng minh )

     Mà góc ABC > BCA ( gt )

    Do đó : Góc FDC > BCA           

     => FC < FD 

     ( Quan hệ giữa góc và cạnh đối diện )

14 tháng 4 2018

b) tại sao góc FDC=ABC vậy bạn

14 tháng 4 2018

dịch ra tiếng ANH :

Happy : Vui

Sad :Buồn

Bad :Tệ

Tired :Mệt Mỏi

dịch ra tiếng NHẬT :

Mọi người :Mina

Cảm ơn :Arigatou

Xin lỗi :Gomenassai

14 tháng 4 2018

À, CÁI ĐẦU TIÊN LÀ DỊCH RA TIẾNG VIỆT NGHE ! ĐỪNG NHẦM LẪN !!!!!!!!!!!!!

13 tháng 4 2018

Of all the singers, I Vanh Leg most. His full name is Nguyen Viet Anh. He is a multi-talented boy from Hanoi Capital. He is very humorous, funny and friendly. He usually sing parody songs which brought a lot of meaningful messages such as: Anh Tho Nu, Doi Anh xe om ... Each song of him usually gives people many relaxing moments after stressful working hours. He is a singer who is loved by so many people. And in my eyes, he is forever the greatest idol.

Dịch:

Trong tất cả các ca sĩ, người mà tôi yêu thích nhất là Vanh Leg. Tên thật của anh là Nguyen Viet Anh. Anh là 1 chàng trai của Thủ Đô Hà Nội. Anh rất hài hước, vui tính và thân thiện. Anh thường hát những bài nhạc chế nhưng mang lại rất nhiều thông điệp ý nghĩa. như:Anh Thơ Nụ,Đời anh xe ôm,... Mỗi bài hát của anh thường mang đến cho mọi người nhiều phút giây thư giãn sau những giờ làm việc căng thẳng. Anh là một ca sĩ luôn được rất nhiều người yêu mến. Và trong mất tôi, anh mãi mãi là idol tuyệt vời nhất.

13 tháng 4 2018

Every day I have chance to watch different famous people shine and bring inspiration to others on TV; however, the one that inspires me the most is Taylor Swift. She is a typical example of a strong, intelligent and independent woman. She used to be a small girl who had been bullied throughout the school years. However, she overcame all the difficulties to become one of the most successful singer and composer of America. She challenges herself in different types of music, from Country, Ballad to Pop, and all of her songs carry deep meanings. Most people can find themselves in her lyrics and her melodies. Besides her singing career, she is also a businesswoman who has her own enterprises and brand names. She had tried so hard in her youth to achieve the things that I always dream of; therefore, she is a great symbol that I always look up. Taylor Swift is forever my beloved idol, and her effort is the goal for me to never quit trying.
 

13 tháng 4 2018

1,a good cooker

2, to watch cabon on television

3, hasn't any sugar

13 tháng 4 2018

They are good cookers.

The children would to watch carbon on television.

The coffee has no sugar.

14 tháng 4 2018

anergytist

13 tháng 4 2018

1, to take -> take

2, not get up -> didn't get up

3, câu này theo mk thì sai đề đó vì ko có lỗi sai mà XD

4,radioes -> radios

5, nothing -> anything

13 tháng 4 2018

1, How tall is the Mount Everest ?

2, How about going swimming ?

3, Ba is Lan's brother

13 tháng 4 2018

1 . What 's the height of the mount Everest ?

=> How high is the mount Everest?

2 . Let's go swimming.

=> Why don't we go swimming?

3 . Ba has a sister,Lan.

=>Lan is a sister of Ba

13 tháng 4 2018

1. Anh asked me what time it was
2. Diem asked Khai where he lived
3. Tran asked me how i was
4. Nhu asked Hung who that was
5. Anh asked me which grade I was in

14 tháng 4 2018

1. Anh asked me what time it was

2. Diem asked Khai where he lived

3. Tran asked me how i was

4. Nhu asked Hung who that was

5. Anh asked me which grade I was in

Chúc bạn học tốt

13 tháng 4 2018

My name is Linh. I am in class 6B. If I become the president of an environmental club, firstly I will encourage students to go to school by bike or bus. It will be very friendly to the environment. Next, I will talk to teachers at school about putting recycling bins in every classroom. We can reuse or sell the things in these bins. Finally, I will organize the secondhand item exchange festival where students can swap their old items with their friends instead of throwing them away. I think I will be a good club president.

I, Change the sentences into the passive voice1. We will use less electricity in the future.=> Less electricity ..................................................................................................................2. The students in my school will use public transport when travelling long distances.=> Public transport................................................................................................................3. I will turn off the lights when leaving a room or...
Đọc tiếp

I, Change the sentences into the passive voice

1. We will use less electricity in the future.

=> Less electricity ..................................................................................................................

2. The students in my school will use public transport when travelling long distances.

=> Public transport................................................................................................................

3. I will turn off the lights when leaving a room or going to bed.

=> The lights ..........................................................................................................................

4. Wind power will offer a great deal of energy next century.

=>A great deal of energy ..........................................................................................................

5. We will use sources of energy more effectively for our future.

=>Sources of energy ...........................................................................................................

6. People in the countryside will increase the use of biogas for cooking.

=>The use of biogas ...........................................................................................................

1
21 tháng 4 2018

1. Less electricity will be used by us in the future

2.Public transport wil be used by the students in my school when travelling long distances

3.The lights will be turned by me when leaving a room or going to bed

4.A great deal of transport will be offered by wind power next century

5.Sources of energy will be used more effectively for our future by us

6.The use of biogas will be increased for  cooking