Parallelepiped

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May 9, 2015 - 1:01pm
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MichMaganda
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Parallelepiped

A plane is passed through a parallelepiped, cutting all the lateral edges and forming a right section which is square. If the lateral area of the solid is 216cm^2 and a lateral edge measures 9cm, find the measure of one side of the right section.

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May 10, 2015 - 8:31am
Jhun Vert
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$A_L = 4 \times 9x$

$216 = 36x$

$x = 6 ~ \text{ cm}$
 

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