Предмет: Математика, автор: vfvf080

Різниця двох кутів, утворених при перетині двох прямих дорівнює 46°. Знайти ці
кути і кут між даними прямими.
Даю 40 балів терміново!

Ответы

Автор ответа: Пеппер
1

Ответ:

77°   103°

Пошаговое объяснение:

Нехай ∠1=х°,  тоді ∠2=х+46°

х+х+46=180

2х=154;  х=77

∠1=77°,  ∠2=103°

Кут між даними прямими це ∠1=77°

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With an area of 603,700 sq km in Eastern Europe, Ukraine borders Belarus to the north, Slovakia, Poland and Hungary to the west, Moldova and Romania to the south-west, Russia to the north-east, and the Sea of Azov and Black Sea to the south. As of 1st January, 2006 there are 457 cities in Ukraine.

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Kiev: The capital of Ukraine and also the largest city, it's located in the north central part of the country on the Dnieper River. By 2005 Kiev had 2,660,401 inhabitants. This major city of Ukraine is an important industrial, scientific, educational and cultural center of Eastern Europe.

Chernivtsi: Located on the Prut River which flows down from the Carpathians to the Black Sea, Chernivtsi is the historic city in the Northern Bukovina region of western Ukraine. The administrative center of the Province of Chernivtsi Oblast, it has a population of about 260,000.

Odessa: The fourth largest city in Ukraine, which is often referred to as "Little Paris". This popular city of Ukraine with a population of 1,029,000 is the largest seaport in Ukraine and also a major seaport on the Black Sea. A world famous tourist destination, it has seven theatres, plus the world famous "Odessa Opera and Ballet Theatre".

Lviv: Founded in the middle 13th century by Galician King, Volynian, who named the city in honor of his son, Lev. It's a major metropolitan city in western Ukraine and the administrative center of Lviv Oblast. With 800,000 inhabitants the city is home to many industries and institutions of higher education. One of the well-known cities of Ukraine, it's regarded as the main cultural center and also serves as ukraine's second major international airport.

Kharkiv: The second largest city in Ukraine and the administrative center of the Province of Kharkiv Oblast as well as Kharkivskyi Raion, it's one of the important cities of Ukraine. With a population of 1,461,300 in 2006, Kharkiv is one of the main industrial, cultural and educational centers of Ukraine. A famous landmark of Kharkiv is its Freedom Square, which is the second largest city square in Europe, and the 4th largest square in the world.

Rivne: With a population of 249,900 as of 2004, it's the administrative center of the Province of the Rivne Oblast located 321 km from Kyiv on the Ustya River. One of ukraine's major cities, it's an important transportation hub, with the international Rivne Airport, and rail links to Sarny, Zdolbuniv and Kovel, as well as highways linking it with Kiev, Lviv and Brest.



1) The text is about .

a) Ukrainian towns

b) Ukrainian history

c) Ukrainian cities biggest

d) Ukrainian capital



2) Choose the right sentence.

a) Lviv is the capital of Ukraine.

b) There are 300 cities in Ukraine.

c) Kharkiv is the second largest city of Ukraine.

d) There is no airport in Rivne.



3) Find the wrong statement.

a) Kiev stands on the Dnieper River.

b) Odessa is often called "Little Paris".

c) There aren't many of higher education institutions in Lviv.

d) Chernivtsi is the historic city in western Ukraine.





4) Complete the sentence.

Odessa is _________________________________.



a) a famous tourist's destination

b) a major metropolitan city in western Ukraine

c) one of the main industrial, cultural and educational centers of Ukraine

d) an important transportation hub

5) Answer the question.

Where (according to the text) is the 4th largest square in the world situated?



a) In Kharkiv

b) In Lviv

c) In Kyiv

d) In Odessa



6) Choose the best title for the text.

a) let's focus on Kiev

b) Where to go in Ukraine?

c) How old are cities in Ukraine?

d) Ukrainian cities
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