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Ten distinct points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?

Please help!!

 Apr 22, 2022

Best Answer 

 #1
avatar+118608 
+1

choose a point, from there 9 lines can be draw

go clockwise to the next point. 8 new lines will be able to be drawn

etc until only one new line can be drawn

 

so that would be    9+8+7+6+5+4+3+2+1

 Apr 22, 2022
edited by Melody  Apr 22, 2022
 #1
avatar+118608 
+1
Best Answer

choose a point, from there 9 lines can be draw

go clockwise to the next point. 8 new lines will be able to be drawn

etc until only one new line can be drawn

 

so that would be    9+8+7+6+5+4+3+2+1

Melody Apr 22, 2022
edited by Melody  Apr 22, 2022
 #2
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+2

thank you so much melody!!!

catswift  Apr 23, 2022
 #3
avatar+118608 
-1

You are very welcome.

Melody  Apr 23, 2022

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