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Earn +20 ptsQ: What is the sum of the angles of a regular 9- gon?
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Is the measure of a 9-gon exterior angles greater than the measure of a 4-gon exterior angles?
5
What is the measure of interior angles of a regular 9-gon?
Each interior angle measures 140 degrees.
What is a 9-gon?
A 9-gon is a polygon with nine sides and nine angles
What are the measurements of interior angles of a regular nonagon?
The sum of the interior angles of a nonagon is (9 - 2) x 180o = 7 x 180o = 1260o In a regular nonagon, each interior angle is 1260o ÷ 9 = 140o
What are the number of degrees in a nonagon?
The sum of the interior angles of a polygon with N sides is: N*180° - 360°A nonagon has 9 sides, so N=9: Sum of interior angles = 9*180° - 360° = 1260°If it is regular (all nine sides equal, and all angles equal) then each angle is (1260° / 9) = 140°
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