SOLUTION: I need help with #16,how to find the measure of a 20-gon angle. Here are the directions, " find the measure of an angle in each polygon if the polygon is regular. Round to the near

Algebra ->  Algebra  -> Polygons -> SOLUTION: I need help with #16,how to find the measure of a 20-gon angle. Here are the directions, " find the measure of an angle in each polygon if the polygon is regular. Round to the near      Log On

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Question 176413This question is from textbook
: I need help with #16,how to find the measure of a 20-gon angle. Here are the directions, " find the measure of an angle in each polygon if the polygon is regular. Round to the nearest tenth of a degree if necessary.This question is from textbook

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
the formula for finding the sum of interior angles for a regular polygon is 180(n-2)....so since n=20 we arrive at
:
180(18)=3240 degrees
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now since there are 20 equal angles we divide this by 20 to get the measurement of 1
:
3240/20=162 degrees each