josertrujillo87 josertrujillo87

28-02-2018
Mathematics

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what is the measure of one exterior angle of a regular decagon

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choixongdong choixongdong

28-02-2018

regular decagon has 10 sides so n = 10
interior angle = (n-2) × 180° / n
interior angle = (10-2) x 180 / 10
interior angle = = 8 x 180 / 10
interior angle = = 144

exterior angle = 180 - 144 = 36

answer
36

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