Cho tam giác với độ dài cho dưới đây. Hãy cho biết tam giác nào là tam giác vuông (vuông tại đâu?)Vì sao? a)Tam giác ABC có AB=3cm AC=4cm BC=5cm b)Tam giác ABC có AB=3cm AC=5cm BC=6cm c)Tam giác ABC có AB=10cm AC=6cm BC=8cm d)Tam giác ABC có AB√=3cm AC =4cm BC=√15cm mình đang cần gấp ạ

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1. It is about 500 metres from my house ............ the nearest shop. a) to b) from c) on 2. My father ...................... a lot when He was younger. 5 điểm a)use to swim b)used to swim c)didn't used to swim 3. Nam used to ............................ jigsaw puzzles in his free time. 5 điểm a)do b)does c)doing 4. His mother ........................ the bus to work every morning, but his father drives. 5 điểm goes does catches 5. Traffic accidents can be prevented if people .................. the rules. 5 điểm remember obey go after 6. You should look right and left when you go .................. the road. 5 điểm along up across 7. Hurry up, or we'll .................. the last bus. 5 điểm avoid miss drop 8. Before the new system of trafic control, there .................. be more accidents. 5 điểm use to used to is used to 9. Public ...................... in this city is quite good, and it's not expensive. 5 điểm transport journey travel 10. ................ is not very far from here to the harbour. 5 điểm There This It 11. You should walk across the street ........................ the zebra crossing. 5 điểm on at in 12. My house is not far from my school, so I usually go ................................. 5 điểm by foot on foot by boat 13. This morning, I was ............................ in a traffic jam and got to school fifteen minutes late. 5 điểm catch block stuck 14. Turn on the left turn ...................... berore you make the turn and slow down. 5 điểm sign signal direction 15. It is ......................... to use a hand-held mobile phone while driving or riding. 5 điểm illegal safe important 16. .......................... does it take you to ride to school ? - About 30 minutes. 5 điểm How far How long How often 17. You .............................. cross the street when the light is red. 5 điểm should mustn't can 18. How far is Vung Tau from Ho Chi Minh City ? - ..................... 5 điểm It's about 120 km It takes about two hours or more You can get to Vung Tau by boat or bus. 19. ......................... í it from your house to the nearest bú stop ? - About 50 metres. 5 điểm How long How far How often 20. All of us have to obey .............................. strickly 5 điểm traffic traffic rules traffic jam