Предмет: Математика, автор: kukushkiplushkin

СРОЧНО ДАМ 20 БАЛЛОВ, НАЙДИТЕ ПЕРИМЕТР ДВУХ ФИГУР с объяснением

Приложения:

Ответы

Автор ответа: andreyolshim

Ответ:

1) 10х2у

2) 8х+6

Пошаговое объяснение:

Просто сложи эти числа

Автор ответа: fenugrek1259

Ответ:

прямоугольник - 10х+2у

трапеция - 8х+6

Пошаговое объяснение:

Периметр - сумма длин всех сторон

Для квадрата:

5х+у+5х+у=10х+2Н

для трапеции:

2х+х+2+4х+1+х+3=2х+х+4х+х+2+1+3=8х+6

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