29-01-2018
Mathematics

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

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mongadonga mongadonga

29-01-2018

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!

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annacook050 annacook050

29-01-2018

x = 567 i think im not really sure

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