Предмет: Геометрия, автор: gerhizhniak

С помощью линейки и транспортира постройте треугольник одна сторона которого равна 6см а углы прилежащие к этой стороне 90 град 45 градусов

Ответы

Автор ответа: viktoria11111961
0
сумма углов треуг =180 град
если первые два угла 90 и 45 град,то третий угол тоже 45,значит треуг равнобедренный,по правилу треугольников,против равн углов,равн стороны,строим угол 90,от него по 6см и соединяем концы
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BIRMINGHAM

1) Birmingham is the biggest town in_____a___.

a) Great Britain;

b) Scotland;

c) Wales.

2) It is situated in the valleys of _________.

a) three small rivers;

b) three small lakes;

c) three big rivers.

3) They flow into ________, a big navigable river.

a) the Themes;

b) the Trent;

c) the Rea.

4) Birmingham is ________ than the major part of British cities.

a) bigger;

b) smaller;

c) younger.

5) In the 13th century the Midland coal fields ________.

a) were discovered;

b) influenced its development and growth;

c) were invaded by Saxons.

6) In the 19th century the Black County was called ________.

a) Birmingham;

b) Glasgow;

c) London.

7) Today, its coal is ________.

a) really rich;

b) no longer melted;

c) almost forked out.

8) There are departments of science, arts, medicine, commerce and law at ________.

a) the University of Birmingham;

b) the Birmingham Museum;

c) Westminster Abbey.

9) There are many modern factories, but its industrial pattern is mostly based on ________.

a) small firms;

b) manufacturing industries;

c) textile firms.

10) Guests of Birmingham should visit the Birmingham Museum and ________.

a) School of Tropical Medicine;

b) Art Gallery;

c) Museum of Comparative Religion.

11) They include a good collection of work by ________.

a) Picasso;

b) the Pre-Raphaelite Brotherhood;

c) Madam Tussaud.

12) It is well known that Birmingham is ________ in UK.

a) the biggest provincial town;

b) the biggest city market;

c) the biggest capital.