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Easy Ways to Calculate Polygon angles
Back to angles again, and you thought that you'd heard the last of them!
Interior Angles
You know now that all the interior angles of a triangle add up to 180o. You can
use this gem of knowledge to make working out interior angles…

Page 2

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The brackets are there to make sure that you subtract 2 from n before multiplying
by 180.
Don't try and remember the formula, you don't need to just remember splitting
polygons up into triangles and the formula will appear magically from your
memory.
One last thing on interior angles. If…

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