Предмет: Геометрия, автор: yaroslava1911

Сумма двух углов, образованных при пересечении двух прямых, равна 80˚.Найти величины смежных с ними углов.

Ответы

Автор ответа: ludmilaksenija2005

Объяснение:

∠1+∠3=80°

∠1=∠3 - как вертикальные

∠3+∠3=80

2•∠3=80

∠3=80:2=40°

∠1=∠3=40°

∠2=180-∠1=180-40=140° - как смежные

∠4=180-∠3=180-40=140° - как смежные

ответ: 140° ; 140°

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: saha040911

Learning home at Have you ever thought about leaving school and learning at home? Thousands of young people do exactly that. It's called "home- schooling' or 'home education. So why do parents make the decision to do this? Some parents take their children out of school due to bullying or other serious problems, but there is a growing number of British parents who choose to home-educate their children from the start. We spoke to Erin Morgan, who chose home-schooling for her children. 'We took our children out of school when my son Joseph was six and daughter Lily was eight. There were no problems with teachers and neither of the children was being bullied - in fact they were quite popular - but they were simply bored. With large class sizes, little money and other problems, it's difficult for teachers to give some children the individual attention they need."

HA AG Bay 'When we started home-schooling, I was worried the children wouldn't fit in socially, so they have a few organized activities a week. Joseph is learning the trumpet and plays in a band. Lily goes to ballet classes and they both have swimming lessons. This means they learn skills and enjoy the company of other children at the same time. In addition, I belong to a home- schooling network so we often get together for trips with other home-schoolers. We don't have a set timetable, but negotiate what we're going to do every day. Morning activities include using the computer, writing, spelling, reading, maths and science. After lunch, we generally choose something more creative like art, sewing or gardening. I have to admit that some activities are more popular than others, but in my view, it's important to get through every subject in order to get a good general education. People ask what happens when home-schoolers get to secondary school age. I have friends with teenage children and most of them have decided to follow a syllabus and take GCSE exams. This has meant a more organized day, but the young people still take a great deal of responsibility for their own learning. One boy I know is planning to stop home-schooling when he is 16, do a part-time college course and then go on to university." Whatever the age of your children, home-schooling is a challenge, but in my opinion the worst thing to do is to turn the home into a formal school. Learning should be fun, and children and young people need to feel happy in order to achieve."

MOKS Mapopax 3HIMOK EXAM TASK Read the text. For questions (1-5) choose the correct answer (A, B, C or D). 1 The writer says that home-schooling in Britain A is a serious problem. B only happens when children are unhappy at school. C must start at a very young age. D is becoming more common. 2 Which of the following is not a reason why Erin decided to home-school her children? A The classes had too many students. B Her children didn't get on with other students. C The teachers couldn't give the students enough attention. D Her children were not interested in the material. 3 What does the word This in paragraph 3 refer to? A Lily's swimming lessons. B Joseph's music classes. C Lily and Joseph's after-school activities. D The parents' meetings with other home- schoolers.

е текст. завдання до лені словау те 3HIMO 3HiMO 4 According to Erin, Lily and Joseph A especially enjoy the creative activities. B can decide what activities to do each day. C will not take GCSE exams. D will go to a regular school when they're 16. 5 Why did the author write the article? A To convince parents to do home-schooling. B To warn parents about the problems with home-schooling. C To describe home-schooling and the reasons for choosing it. D To point out the need for improvements to local schools.

2 года назад

Предмет: Математика, автор: niksheremeta816

У трьох пятих класах навчається 65дітей. У 5-Б класі на 4 дитини більше, ніж у 5-А, а в 5-В— на 3 дитини менше, ніж у 5-Б Скільки дітей навчається в кожному класі?

2 года назад

Предмет: Математика, автор: s40659197

7. Выполните a) 72+33; 6) 6²+8²; B) (6+8)2; ИВычислите: действия: г) 10²-32; д) (10-3)2; e) 24 - 32; *) 11-34; 3) (6-8)5; и) 43 - 22. помогите срочно с решением

2 года назад

Предмет: Қазақ тiлi, автор: Аноним

3. Сөйлемдерді көшіріп жазып, дефистің неге, қандай жағдайда қол-
данылғанын түсіндіріңдер.
Артына қайта-қайта қарап, әлдекімді ыммен шақы-
рады (Ғ.Мұстафин). Төбедегі қап-қара бұлт шатыр-шұтыр
етіп, найзағай ойнай бастады (Ә.Нұршайықов). Қазақ халқы
шашты ертеден-ақ жоғары бағалаған және оған байланысты
атқаратын әдет-ғұрыптары бар (С.Кенжеахметов). Есігінің
алды - түгел көк темір, қашан көрсең соны терлеп-тепшіп
көтеріп жатқаны (Н.Қапалбекұлы).

7 лет назад

Предмет: История, автор: Zlatalamy

Пж помогите даю 15 баллов

7 лет назад