Hình thang có tổng đọ dài hai đáy bằng 30,5dm,đáy lớn bằng 1,5 đáy bé,chiều cao hơn đáy bé 6,2 dm.tính diện tích hình thang?

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Làm giúp mình mấy bài này nhé, nếu có cần tăng điểm thì bình luận bên dưới sau khi làm xg. 1. She was so beautiful that I couldn’t stop looking at her. (EYE) ........................................................................................................................................... 2. Winning that prize made him very conceited. (HEAD) ........................................................................................................................................... 3. When he was a child he loved dismantling things – to see how they worked. (PIECES) ........................................................................................................................................... 5. English people in general don’t like complaining in public. (FUSS) ........................................................................................................................................... 7. You made an embarrassing mistake when you asked him where his wife was. Didn’t you realise she was dead? (FOOT) ........................................................................................................................................... 8. I hate winter. It really depresses me. (DOWN) ........................................................................................................................................... 9. It was hard not to start laughing when she started to sing. (FACE) ........................................................................................................................................... 10. Many husbands don’t appreciate their wives and vice-versa. (GRANTED) ........................................................................................................................................... 11. “All this happened long, long time ago,’ said the history teacher to the class. (PLACE) ........................................................................................................................................... 12. Many people nowadays find it increasingly difficult to exist on the money they earn. (ENDS) ...........................................................................................................................................