Ответ учителя по предмету Математика
Ответ:
300 см
Пошаговое объяснение:
Отношение высоты ступенек к ее длине равно 1:2 .
Это значит , что высота составляет 1 часть , а длина 2 части . Если высота одной ступени 150 мм , значит
1 часть = 150 см
Найдем длину , которая составляет 2 части
150*2=300 см — длина ступени
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