Периметр прямоугольника равен 56 см. его длина в 6 раз больше чем ширина чему равна площадь прямоугольника?
lizaojgihina
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23.01.2020 17:06
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1
ответ: 96 см^2
Пошаговое объяснение:
Пусть одна сторона - х, значит вторая сторона - 6х
Периметр - 56 см
(х+6х)*2=56
7х*2=56
14х=56
x=56:14
x=4
Находим вторую сторону: 6*4=24 см
Площадь - 24*4=96 см^2