Предмет: Математика, автор: kristinka1705

сумма длин двух разных сторон прямоугольника равна 7 см.Найди периметр этого прямоугольника

Ответы

Автор ответа: maxim9406
1
а+б=7
Р=2(а+б)
2×7=14 (см) - периметр прямоугольника
Предыдущий вопрос
Следующий вопрос
Интересные вопросы
Предмет: Английский язык, автор: darina1209
перевести в кг
13 г и 27.5 г
2 года назад
Предмет: Английский язык, автор: irishadukhno
Помогите перевести
Why do you think it’s so hard for people to get started drawing?
For non-artists, Ithink that the culture of drawing is not extended or continued with or for them beyond early childhood. Grade schools and high schools, for the most part, value math and science over the arts, which gets cut out when budgetary pressures arise. What is then neglected is the haptic qualities of “making,”which can contribute to retention of learning as well as foster communication. If a non- artist is only shown an example of classical or academic drawing, they will be thwarted by not having those skills. If encouraged to make native marks [draw in their own way] and be respected for that, most people would grow up with less doubt on their ability to draw and would enjoy the process, which is a very important part of drawing!
For creative people who are working in artforms that do not regularly encourage drawing, some of the reasons are the same –recognizing and celebrating native marks, but I think it goes a bit farther to include practice. Creatively leaning people continue drawing beyond childhood for longer than most, yet their particular area of creative focus as an adult may have not required the use of drawing, and so it is left behind, unpracticed. In both cases, having permission [from a teacher, from ones self] to draw as one does, to appreciate that and practice it will foster comfort and confidence with drawing.
2 года назад
Предмет: Английский язык, автор: polina12327
Срочно !!!!!!!!!!!!!
2 года назад
Предмет: Математика, автор: Yankaobezyanka
Довжина прямокутника дорівнює 90 см, а ширина складає 80% довжини. Знайдіть периметр і площу прямокутника.
ПОЖАЛУЙСТА ПОМОГИТЕ, УМОЛЯЮ, ДАМ 30 баллов!! ЗАРАНЕЕ ОГРОМНОЕ СПАСИБО!!!
7 лет назад
Предмет: Алгебра, автор: assinasstra
помогите пожалуйста, метод сложения, прошу, очень срочно
7 лет назад