SOLUTION: What is the formula in finding the number of sides? All I know is the formula in finding the sum of the measurement which is s=(n-2)180* please just give me the formula thanks:

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Question 202912This question is from textbook
: What is the formula in finding the number of sides? All I know is the formula in finding the sum of the measurement which is s=(n-2)180*
please just give me the formula thanks:] This question is from textbook

Found 2 solutions by Edwin McCravy, dyakobovitch:
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!


Solve for n:

Write the 180 on the left of the parentheses:



Distribute:



Add 360 to both sides:



Divide both sides by 180



or turning it around:



Edwin
Answer by dyakobovitch(40)   (Show Source): You can put this solution on YOUR website!
angle=[180(n-2)]/n.

Typically, your angle will be given. Cross multiplying, you can solve for n.

--
David
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