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OpenStudy (anonymous):
3. What is the value of x in the regular polygon below?
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OpenStudy (anonymous):
40 120 60 150 ?
OpenStudy (anonymous):
what is the sum of all angles in a triangle
OpenStudy (anonymous):
no idea?
OpenStudy (anonymous):
(n-2)*180 .... n is the number of sides (in this case 6) (6-2)*180 = 4*180 = 720 total 720/6 = 120 for each angle so 3x = 120 ....divide by 3 x =40
OpenStudy (anonymous):
Thanks :) Lol
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