A truncated pyramid.

Enapay

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May 3, 2011
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I have been trying to solve this one but i simply don't know how to. I asked my teacher about it and he said I should try to use the coefficient of similarity, but still no results. The task:

The bases of a truncated pyramid have the surfaces (areas) of 98cm^2 and 2cm^2. Whats the surface (area) of a section that cuts trough the truncated pyramid and goes trough the center of the truncated pyramid's height and is parallel with the bases.


Every help is very welcome!
 
Find a similar problem that you can solve. This may lead you to a solution.

How does it work with a trapezoid?
 
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