Christmas MT's answer to Venus Yase's Junior College 1 H3 Maths question.

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Christmas MT
Christmas Mt's answer
3275 answers (A Helpful Person)
Sum of all interior in a regular polygon with n sides = (n-2) x 180.

You can use this formula to help find the sum of all interior angle.

Then find the value of one interior angle.

Eventually u can find the exterior angle by having 360 degree minus one interior angle