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trên cạnh Ax của góc xAy , lấy AB <AE . trên cạnh Ay lấy C và D sao cho AC< AB<AE<AD . giả sử AB. AE =AC.AD . chứng minh: 1/ tam giác ABC đồng dạng với tam giác ADE GIÚP MK VỚI
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Ex3: Circle the letter A, B, C or D to indicate the word whose underlined part that needs correction in each of the sentences. 1. We have a smart TV where can be used as a computer. A. a smart TV B. where C. used D. as a computer. 2. The boy whom is imitating other foreign speakers is in grade 9. A. whom B. other C. is D. in 3. I recently went back to the town where I was born there. A. recently B. back C. where D. there 4. My friend George, that arrived late, was not permitted to enter the class. A. that B. late C. permitted D.to enter 5. Do you remember the year which you started learning English? A. the B. which C. started D. learning 6. This is the place which we can obtain scientific information. A. the B. place C. which D. scientific 7. The girls and flowers whom he painted were vivid. A. The B. and C. whom D. painted8. On the way home, we saw a lot of boys, girls, and dogs which were playing in the park. A. On B. a lot of C. which D. in

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