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A rectangular prism has a length of $3$, a width of $5$, and a height of $11$. What is the distance between two opposite corners of the prism?

 Jan 28, 2024
 #1
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Use 3d pythagorean theorem,

3^2+5^2+11^2=x^2.

9+25+121=x^2

155=x^2

x=sqrt 155

So the distance between the two opposite corners is sqrt 155

 Jan 29, 2024

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