Question:
Find the angle measure x in the given figure..png)
Solution:
For a regular n-sided polygon:
Each interior angle $=180-\left(\frac{360}{n}\right)$
In the given figure:
$n=5$
$x^{\circ}=180-\frac{360}{5}$
$=180-72$
$=108^{\circ}$
$\therefore \mathrm{x}=108$
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