Chords & R


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In how many different ways can a circle be divided up using two chords?

 
2 chords

4 regions

1 cross over

 2  chords

3 regions

0 cross overs

 

v      Investigate for 3 chords, 4 chords ……………..

v      Record your results in a table and look for any patterns.

v      What is the maximum number of regions obtainable for a given number of chords?