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Find the value of x if one exterior angle of a regular octagon is 9x+18
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Find the value of x if one exterior angle of a regular octagon is 9x+18

User Prathmesh Dali
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2 Answers

3 votes
x = 567 i think im not really sure
User Vianney
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The sum of the measures of a polygon's exterior angles is always 360.
(9x+18)8=360
Simplify
72x+144=360
Subtract 144 on both sides
72x=216
Divide by 72 on both sides
x=3
I hope this helped!

User Alejandro Rizzo
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