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Mathematics 10 Online
OpenStudy (anonymous):

what is the sum of the measure of the interior angles of a nanogon?

Directrix (directrix):

How many sides does a nonagon have?

OpenStudy (jpsmarinho):

is a nonagon right?

Directrix (directrix):

@nana_1421

OpenStudy (jpsmarinho):

each internal angle of a regular nonagon is 140 degrees

OpenStudy (jpsmarinho):

140 * 9 is the same result of what @Directrix posted

OpenStudy (anonymous):

(9-2)*180=7*180=1260.

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