Solve n-2)180: Video Explanation Requested

[Benjamin_harsh]

Homework Statement

(n-2)180

Relevant Equations

(n-2)180

In the video, I didn't understand (n-2)180 part @5:33. Please explain.

 

[neilparker62]

Didn't check the video but it sounds like sum of the interior angles of a regular n-gon.

 

[DrClaude]

Didn't check the video but it sounds like sum of the interior angles of a regular n-gon.

Doesn't have to be regular. The sum of the angles (in degrees) of any n-sided polygon is (n-2) 180.

 

[neilparker62]

Doesn't have to be regular. The sum of the angles (in degrees) of any n-sided polygon is (n-2) 180.

True - thanks for pointing that out. More detail on (n-2)180 here:

https://www.khanacademy.org/math/ge...olygons/v/sum-of-interior-angles-of-a-polygon
(No I'm not a salesman for khanacademy!)