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Автор - mixail10syxanov

Дано:ABCDA1B1C1D1 - прямоугольный параллелепипед
AB=6см AD=4см AA1=12см
Найти AC1

Ответ

Автор - takushnir

Квадрат диагонали такого параллелепипеда равен сумме квадратов его измерений.

АС₁²=6²+4²+12²=144+36+16=196.

значит, искомая диагональ равна √196=14/см/

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