Question

the sum of the interior angles of a polygon is 2520 degrees. how many sides does this polygon have and how do you find the answer?

Answer 1

Sum of interior angles of an n-sided polygon is (n-2)*180 degrees. Triangle (n=3) = 180 degrees, square (n=4) = 360 degrees, etc. A square is an easy case to remember to rederive this if you forget — it has 4 right angles.

To find the number of sides, set
\[2520 = (n-2)*180\]and solve for n.

Answer 2

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