cho tam giác ABC cân tại C . Gọi D,E lần lượt là trung điểm của AC và BC. Các đường thẳng AE,BD cắt nhau tại M.Các đường thảng CM,AB cắt nhau tại I
a,AE=BD
b,DE//AB
c,IM vuông góc với AB.từ đó tính IM trong trường hợp BC=15cm,AB=24cm
d,AB+2BC>CI+2AE
mk cần gaasppppppppp cao nhân nào giải hộ câu c và d với ;-;
Complete the conditional sentences,using the given information:
1. the office may be closed,so Mark won't be able to get in
If the office
2. the accident happened because the driver in front stopped suddenly
If the driver
3. you may want a chat , so just give me a ring
If you
4. unfortunately, i didn't have an umbrella and so i got very wet in the rain
If i
5. the airport was closed, so Sarah wasn't able to fly to Rome
If the airport
6. it is raining, so we won't finish the game
If it
7. Carol didn't answer the phone because she was studying
If Carol
8. People don't realise how important it is to conserve energy , so they do nothing about it
If people
* What would you do if you were the president ? ( 5 câu nha )
If i were the president, i .....
CẦN GẤP HU HU T-T
Rewrite each sentence in indirect speech . Use the verbs in brackets
1. "First switch on,then wait for two minutes" they said ( instructed )
2. "Sergeant, take the man to the cells" they said ( ordered )
3. "Don't forget to write me a letter every week" my mother said,(told)
4. Carol said, " Don't make so much noise, Peter." (told )
5. "Don't tell anyone or you'll be sorry" Mary warned her friend, ( warned )
6. Peter said to Nick, "Would you like to stay for lunch?" ( invited )
complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between twe and fire words,including the word given :
1. People believe that someone murdered Jenlins
Was
It................................................ murdered
2. No- one has been seen Peter since day of the party
Been
Peter .............................................................. the day of the party
3. We put up a notice about the trip on the notice board yesterday
Was
A notice ................................................... up on the notice board yesterday
4. People think that an apple a day is good for you
To
An apple a day ................................................... for you
T-T help ......................;-;