Stellar Angles

Weekly Problem 30 - 2013
What is the angle $x$ in the star shape shown?

Age

11 to 14

Challenge level

Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving

Being curious Being resourceful Being resilient Being collaborative

What is the value of $x$ in the diagram?

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

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