Предмет: Математика, автор: Sofagmail

На клетчатой бумаге с размером клетки с размером клетки 1х1 изображена трапеция. Найдите длину средней линии этой трапеции. ​

Приложения:

Ответы

Автор ответа: lera199890
0

Ответ:

2,5

Пошаговое объяснение:

средняя линия трапеции вычисляется по формуле: половина суммы оснований ((а+б)/2)

а=1, т.к. клетка 1×1

б=4

следовательно, (1+4)/2=5/2=2,5

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