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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 crosection?

Round to the nearest tenth. 

 

Guest May 6, 2017
 #1
avatar+27062 
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The length of diagonal EK is sqrt(5^2 + 4^2) ≈ 6.403m

 

Hence perimeter = 2*(12 + 6.403) → 36.8 m (to the nearest tenth of a metre)

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Alan  May 6, 2017
 #2
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this sounds familiar... almost like a plane hiting a building... or was it two... what if the question stated 3 planes intersected 2 rectangular prisms :0 XD

Guest May 6, 2017

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