Предмет: Математика, автор: Язла

как узнать площадь прямоугольнка если известны его периметр и сторона

Ответы

Автор ответа: karkhachatryan
0
Напишите чему равен периметр и сторона
Автор ответа: Язла
0
сторона 5 см, периметр 42 см
Автор ответа: karkhachatryan
0
5+5=10
Автор ответа: karkhachatryan
0
42-10=32. 32:2=16
Автор ответа: karkhachatryan
0
5•16=80
Автор ответа: karkhachatryan
0
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