Exercise 1 Look at some expressions wed in formal and in informal to introduce two persons to each other and then that we respond. Read each item and repear it filling in 1. I'd like to introduce you to 2. Please med 3. This is 4. 5. I'm happy to meet you. 6. This is indeed a pleasure 7. Nice meeting om Exercise 2 Working first in pairs and then in groups of the write and
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top of the tower are complementary, then find the height of the tower. Can any one and psl? Class 10 Question.The angle of elevation of the top of a tower from a point` A` due south of the tower is `alpha` and from `B` due east of tower
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