Предмет: Геометрия, автор: dji66


В параллелограмме АВСD проведена биссектриса угла А, которая
пересекает сторону ВС в точке Е и делит ее на отрезки ВЕ и ЕС так, что ВЕ больше ЕС на 4 дм. Найдите меньшую сторону параллелограмма, если его периметр равен 64 дм. В ответе запишите длину этой стороны в дециметрах.

Ответы

Автор ответа: daniktatus
0

Ответ:

AB=CD=6д

Надеюсь на фото всё понятно))

Приложения:

ilyaiut: 6x=480 , x = 20? а не 80?
Автор ответа: ilyaiut
1

Ответ:

12

Объяснение:

ABE - равнобедренный треугольник => BE = AB = EC +4

BC = EC +4 + BE

x - EC

P= 64 => ((x+4)+(x+4+x)) =64

x=8

=> AB= 8+4=12


dji66: да , я сейчас решила , ты правильно ответил ) огромное спасибо
dji66: я вбила мне засчитали ,как правильный ответ
Похожие вопросы
Предмет: Английский язык, автор: Gel18
Exercise 26. Fill in the blanks with how much or how many, 1.___ sugar have you put into my cup? 2.___ spoons of sugar do you usually take with your tea? 3.___homework do you get every day? 4.___cups of coffee do you drink a day? 5.___coffee did you drink yesterday? 6,___foreign languages do you speak? 7, Do you know ___money he spent? 8. Tell me please___time it will take me to get there. 9.___times a month do you go to the theatre? 10. Do you know___people live in Moscow? 11.1 see you are a stranger here. Let me help you. The customs officer is asking___perfume you have got. 12.___ cigarettes do you smoke a day? 13.___oil has been extracted this month? 14.___barrels of oil did the Arab Emirates sell last year? 15.___money does it cost to get there? Exercise 27. Fill in the blanks with much, many, a lot of. 1. There are a few bananas and___apples in the fridge. 2. She put___butter in the cake. 3. Have you got ___homework? — Our teacher always gives us ___ homework. 4. We don't need___eggs to cook this meal. 5. He's made___progress in such a short time! 6. Are there___unemployed people in your country? 7. There are___oil deposits in Siberia. 8. There is___time at our disposal. 9. She is very sociable, that's why she has got ___friends. 10. Try to call Mr. Green. He never gives ___ useful advice, but you can hear ___ valuable information. 11. One needs___money to start a new business. 12. You can't install___equipment in a small shop. 13. He doesn't want___advisors. He thinks he can solve the problem himself. 14. Be careful with him. He's got___projects and desires, bat hasn't got___money and patience to realize them. 15. Astronomy studies___ interesting phenomena.
Предмет: Алгебра, автор: VikaTyan1003