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This rectangular prism is intersected by a plane that contains points D, E, K, and L.

 

What is the perimeter of the cross section?

 

Guest May 2, 2017
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Edges  EK  and  DL  of the plane = sqrt (5^2 + 4^2)  =  sqrt (41) m

 

And edges DE  and KL  of the plane  =  12 m

 

So.....the perimeter of  DEKL  = 2 ( sqrt (41)  + 12)  ≈  36.81 m 

 

 

 

cool cool cool

CPhill  May 2, 2017

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