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Weekly Problem 15 - 2008

Stage: 3 and 4 Challenge Level: Challenge Level:1

Which of the following could be the graph showing the circumference C of a circle in terms of its diameter d?
Graphs

 

If you liked this question, here is an NRICH task which challenges you to use similar mathematical ideas.

 

 

This problem is taken from the UKMT Mathematical Challenges.

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