What will be the sum of the interior angles of a nanogon
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Answer:
1260°
Step-by-step explanation:
The sum of the exterior angles of any polygon is 360°.
For a regular nonagon each exterior angle = 360/9 = 40° and each interior angle is 180–40 = 140°
The sum of the interior angles of a regular nonagon is thus 9*140 = 1260°
Another approach: Sum of the interior angles of a nonagon = (n-2)* 180 = 7*180 = 1260°
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