### Prove that the diagonals of a trapezoid do not bi…

View
University of California, Berkeley
Problem 17

Prove that there is no regular polygon with an interior angle whose measure is $155 .$

$n=360 / 25$

Chapter 6
Inequalities and Geometry
Section 3
Indirect Proof
Geometry

## Discussion

You must be signed in to discuss.

## Video Transcript

Okay. The formula frontier angles of polygon is 1 80 times and minus two. Over. Okay, now that we have this, let's save it 155 degrees. Just that, this equal to the equation, we end up with n equals 360 over 25 25 n equals 360. So this is not an integer value in this case.