Question

if one interior angle of a triangle is 72 degree then its exterior angle is​

Answer 1

The exterior angle of a regular polygon = 72 degree

The exterior angle of a regular polygon = 72 degreeSo each interior angle = 180–72 = 108 degrees

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Answer 2

Step-by-step explanation:

if one interior angle of traingle is 72 degree

then it's exterior angle is 126 degree