Предмет: Геометрия, автор: nickitasay

Обратная задача по геодезии. Нужно найти расстояние между точек X1=320,50. x2=230,70 y=780,20 y=900,10

Ответы

Автор ответа: Аноним
1
дельта X =x2-x1=230,7-320.5=-89.8
дельта Y=y2-y1=780.2-900.1=-119.9
r(румб)=arctg \frac{y}{x} = arctg   \frac{119.9}{89.8} =1.33 , переводим в градусы => 1,19
d(гор.проложение)=  \sqrt{ 89,8^{2} + 119,9^{2} } = 150 м
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II. Read the article about the long-distance teacher. Are sentences True or False?

THE LONG-DISTANCE TEACHER

Mr Frank Garret, 65, is a schoolteacher. He is English, but he lives in France, in the village of Yerville. Mr Garret lives in France, but he works in England. Every Monday he leaves home at 2.30 in the morning and drives 101 miles from his village to Boulogne, where he leaves his car and goes by boat to England. He teaches French from 9.00 in the morning to 3.30 in the afternoon, and then he leaves school. He arrives home at 9.30 in the evening. The journey there and back isn’t expensive. Mr Garret works in England only one day a week. And what does he do on the other days? He teaches English! He has a class of French students in Yerville. He says, ‘I love my job in England and I love my home in France. I’m a happy man.’

1 Mr Garret is 65 years old. ___

2 Mr Garret is French. ___

3 Mr Garret has a house in France. ___

4 Mr Garret goes by bus to Boulogne. ___

5 Mr Garret learns French in England. ___

6 Mr Garret leaves school at 9.30. ___

7 Mr Garret’s journey is cheap. ___

8 Mr Garret works in France one day a week. ___

9 Mr Garret teaches French in Yerville. ___

10 Mr Garret likes working in England and living in France. ___










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I (to be) hungry.

When we (to come) home yesterday, my mother (to watch) TV.

My friends often (to cook) dinner.

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