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Weekly Problem 26 - 2007

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


Two overlapping equilateral triangles


The diagram shows two equilateral triangles. What is the value of x?


 

If you liked this problem, 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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