Предмет: Математика, автор: ZaharDrob274

помогите пожалуйста! 1) Найдите площадь прямоугольника, длина. которого равна 5 см, а ширина - 2см. 2) Длина прямоугольника ABCD равна 28 см, а его ширина в 7 раз меньше - 2 см. 3) Найдите площадь квадрата со стороной 15 см. 4) Чему ровна сторона квадрата, если его площадь 36 см в квадрате. 5) Высота комнаты 3 метра, ширина 5 метров и длина 8 метров. сколько кубических метров находится в комнате. ПЛИЗ!!!!! даю 20 балов

Ответы

Автор ответа: lizalisa816sav
2

Ответ:


Пошаговое объяснение:

1) (5+2)× 2= 14

3) 15× 4 = 60 (вроде бы так)

4) 36:4=9




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