Giải hộ mk câu 5 vs ạ!! Mk đang cần gấp T_T

Cho đoạn thẳng AB. Vẽ cung tròn tâm A bán kính AB và cung tròn tâm B bán kính BA, chúng cắt nhau ở C và D. Chứng minh rằng : a) tam giác ABC =tam giác ABD b) tam giác ACD =tam giác BC

Em hong biết làm. Anh chị giúp em vớiiii

Cho S(n)= $\frac{1+S(n-1)}{1-S(n-1)}$ với n là số tự nhiên không nhỏ hơn 2 và S(1)= $\sqrt{2}$ Tính S=S(1)+S(2)+S(3)+...+S(2020)

I,Viết lại câu sử dụng hiện tại phân từ (V-ing) hoặc quá khứ phân từ (V-ed) 1, The house belongs to my uncle. It is built of wood ⇒ The house ........... 2, The girl is intelligent. She sits next to me ⇒ The girl ............. 3, The road is very narrow. It joins the two villages ⇒ The road ............ II, Chọn động từ 1, The film was ..... I expected it to be much better ( disappointing/ disappointed) 2, It was a really( terrified/ terrifying ) experience. Afterwards, every body was very (shocked/ shocking) III, Chia động từ theo -ed or -ing participle 1, I was woken up by a bell ...(ring) 2, A lot of the people ..... ( invite ) to the party cannot come 3, Life must be very unpleasant for people ... (live) near busy airports 4, Some body ...(call) Jack while you were out ** Giải thích rõ tại sao chọn -ed or -ing participle cho từng câu nha mn**

chỉ cần làm đến câu 25 thôi nhé 20 đ

Mọi người giúp em bài này với ak!!

giúp em câu 6 với ạ!!!! @quangcuong347

Giúp em trả lời câu 2 này với ạ

-I wrote a letter to my neighbours because they littered near my house. * 1 điểm I wrote a letter to my neighbours since I littered near their houses. Because of littering near my house, I wrote a letter to my neighbours. Because of littering near my house, my neighbours wrote me a letter. I wrote a letter to my neighbours due to the fact that they littered near my house. -Hundreds of millions of animals and plants were killed in the bushfire disaster in Australia last year. * 1 điểm The bushfire disaster in Australia last year resulted in the kill of millions of animals and plants. Hundreds of millions of animals and plants were dead because the bushfire disaster in Australia last year. The bushfire disaster in Australia last year led to the death of millions of animals and plants. Hundreds of millions of animals and plants were died due to the bushfire disaster in Australia last year.