Предмет: Математика, автор: Аноним

Помогите плиз!!!!!!!!!!!!!!!!!!!!!

Приложения:

Ответы

Автор ответа: КонЧенНый

9 + 9 + (9 + 10) = 37(sm2) - периметр
Ответ: Периметр=37см2, нет данный треугольник нельзя построить
это 3 задание
Задание 4
h=4
b=9
1/2(4×9)=0.5(4×9)=2×4.5=9
Ответ: площадь треугольника 9 см3

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: dhhcuxu

помогите решить кроссворд на англиском.

Across
2. General customs and beliefs of a group of people at a particular time.
5. A large structure, usually made of stone, which is built to remind people of an event in history or of a famous person.
9. Something that someone says officially, giving information about something.
10. A journey in which you go somewhere, usually for a short time, and come back again.
13. The activity of travelling while carrying your clothes and other things that you need in a backpack.
14. An arrangement in which something such as a seat on an aircraft or a table at a restaurant is kept for you.
15. To make something happen at a later time than originally planned or expected.
17. A building where a large number of interesting and valuable objects, such as works of art or historical items, are kept, studied, and displayed to the public.
19. Friendly, welcoming behaviour towards guests or people you have just met.
20. A way from one place to another.

Down
1. Suitcases and bags that you take with you when you are travelling.
3. A short journey usually made for pleasure, often by a group of people.
4. Things that you own and that can be moved.
6. A large house where people can stay cheaply for a short period of time.
7. Land along the sea; seashore.
8. A holiday during which you travel on a ship or boat.
11. A person who is visiting a place for pleasure and interest, especially when they are on holiday.
12. A very large impressive house, especially one which is the official home of a king, queen, or president.
16. A large boat with sails or a motor, used for racing or pleasure trips.
18. An official document containing your name, photograph, and personal details, which you need to show when you enter or leave a country.

5 лет назад

Предмет: Музыка, автор: TaisiaIvanova

Очень срочно!!!! по сольфеджио задали построить V7 с обращениями и разрешениями в параллельных тональностях с 3 диезами. Заранее спасибо!!!

5 лет назад

Предмет: Алгебра, автор: kozmenkolenara

(x+2)2=(1-x)2
плиз решите

5 лет назад

Предмет: География, автор: Romaniann

охарактеризуйте климат иранского нагорья
15 б

9 лет назад

Предмет: Математика, автор: бобл

выполните деление многочлена на одночлен а) (а²+3ав):а; б)(m³-m²n):m²; в)(c²-2cd):c; г) (p⁴-p³q):p³

9 лет назад