Cho tam giác ABC cân tại A và có góc A = 50* Tính B và C Lấy D thuộc AB, E thuộc AC sao cho AD= AE . Chứng minh DE // BC

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Exercise 5: Read and complete the sentences. Mr. Bean is a British comedy television programme series of 14 twenty-five-minute episodes written by and starring Rowan Atkinson as the title character. Different episodes were also written by Robin Driscoll, Richard, Curtis and one by Ben Elton. The pilot episode was broadcast on ITV on January 01, 1990, with the last television episode, “Goodnight Mr. Bean” broadcast on October 31, 1995. The final episode, “Hair by Mr. Bean of London”, was a video exclusive released on November 15, 1995, but not broadcast in the UK until 2006. Based on a character originally developed by Atkinson while he was studying for his master’s degree at Oxford University, the series follows the exploits of Mr. Bean, describe by Atkinson as “a child in a grown man’s body”, in solving various problems presented by everyday tasks and often causing disruption in the process. Bean rarely speaks. 1. There are ........................ episodes in Mr. Bean. 2. An episode lasts for ........................ minutes. 3. Robin Driscoll, Richard Curtis and Ben Elton are writers of the ........................ 4. On ........................, the first episode was broadcast. 5. “Goodnight Mr. Bean” is the ........................ episode broadcast on October 31,1995. 6. In 2006, the final episode, “........................ “, was broadcast. 7. Atkinson studied for ........................ at Oxford University. 8. In Mr. Bean, the main character causes ........................ in the process of solving various problems