Một miếng bìa hình tam giác có tổng độ dài đáy và chiều cao là 45,5dm. Chiều cao bằng độ dài đáy. Tính diện tích của miếng bìa đó? Giúp mk nha ! Mk vote 5*

Các câu hỏi liên quan

III. ADJECTIVE + THAT CLAUSE : S + BE + ADJ + THAT CLAUSE (S + V) - I / am/ disappointed / that you failed the exam. 1. Combine these sentences using Adj + that clause : 0. He is worried. His business is not going well. -> He is worried that his business is not going well. 1. We were disappointed. She didn’t keep her promise. ……………………………………………………………………………………………………………………………………………………………… 2. I’m sorry. I came late. ……………………………………………………………………………………………………………………………………………………………… 3. The boss was angry. I misplaced all the documents. ……………………………………………………………………………………………………………………………………………………………… 4. I am happy. The article has been very well received. ……………………………………………………………………………………………………………………………………………………………… 5. We are glad. You come. ……………………………………………………………………………………………………………………………………………………………… 6. His parents are pleased. He won the best prize. 2. Make sentences with the words suggested: 0. I / pleased / work hard. -> I am pleased that you are working hard. 1. We / grateful / you / take / interest / us. ……………………………………………………………………………………………………………………………………………………………… 2. You / sure / her child / disappeared ? ……………………………………………………………………………………………………………………………………………………………… 3. No one / sorry / our manager / resigned. ……………………………………………………………………………………………………………………………………………………………… 4. Everybody / not surprised / they / divorce. ……………………………………………………………………………………………………………………………………………………………… 5. I / disappointed / you / not / see / me / yesterday. …………………………………………………………………………………………………………………………………………………