Предмет: Математика, автор: kmalinikova

найдите площадь и периметр прямоугольника,дли которого 7см,что на 3см больше его ширины

Ответы

Автор ответа: Vatson00

ширина=4
периметр=(7+4)*2=22 см
площадь=7*4=28 см

Автор ответа: kmalinikova

Спасибо А как нашли ширину мне надо потом объеснить

Автор ответа: Vatson00

ну типо длина больше ширины на 3 см, тоесть она ширина будет 4 см 4+3=7

Автор ответа: rzht78

Ширина 4
P= (7+4)•2=22
S=7•4=28
Ответ22см периметр 28 см площадь вот так надо решать задачи

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Ron: Hi, I'm Ron from Hawaii. I'm here with Mari from Japan. Today we're going to be talking about entertainment, and how often we do these things. So Mari, how often do you watch TV?

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