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INFINITE SUM
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Geometry and Trigonometry · Regular Polygons

Practice · Regular Polygons

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Question 1 of 5Solve it — one move at a time

The figure above is a regular pentagon whose radius is 6. What is the value of x?

Work through it one move at a time.

Set upI=(n2)180nI = \dfrac{(n - 2)\cdot 180}{n}

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