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How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection?

 Nov 1, 2020
 #1
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How many pairs of vertical angles are formed by five distinct lines that have a common point of intersection?   

 

No need for mathematical formulae here.  Just draw it and count them.  FIVE   

.

 Nov 1, 2020
 #5
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Please think your answer out before you post it. Five is impossible.

Pangolin14  Nov 3, 2020
 #6
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Rubbish Pangolin,

Guest gave you some good advice.

Draw it and count!

Melody  Nov 3, 2020
 #7
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There's a better way than drawing and counting, I can't keep track of it all.

But I noticed that for every 2 lines, they add 6 new angles.

Pangolin14  Nov 3, 2020
 #8
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That is not correct

 

But you are right you can get a pattern going.

 

To determine the pattern you draw lines and COUNT!

Melody  Nov 4, 2020
 #2
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There is a lot more than that.

Guest has only found the simplest ones.

Look again guest.

 Nov 1, 2020
 #3
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Ohhhh.... yes.  I'm going to take some time off.  This is the second time I've overlooked the simplest thing. 

Guest Nov 1, 2020
 #4
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People learn through their mistakes.  It is no big deal.

Melody  Nov 2, 2020

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