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Four points W, X, Y, and Z are chosen at random on a circle. Find the probability that chords WX and YZ intersect.

 Mar 31, 2020
 #1
avatar+202 
-1

This is a Think About It! problem with an elegant solution. So, just think about it!

 Mar 31, 2020
 #2
avatar+111608 
0

Draw little pics to help your thinking process.

Melody  Mar 31, 2020
 #3
avatar+663 
0

Not sure if this helps, but graphing may work. Try setting up circle inequalities?


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