AMC 10/12
Textbook
3.6 Other quadrilaterals and polygons
Back to basics: this unit is about the basic stuff that everyone supposedly knows:
Example
What’s the measurement of the interior angle of a -gon?
If you used the formula, then you get full credit. Good enough.
But if you also wanted style points for cleverness, then you divided the sum of the exterior angles (always ) by to get that the exterior angles measure each, and thus the interior angles measure each.
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