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Mathematics 18 Online
OpenStudy (anonymous):

each interior angle of a regular polygon istwice the measure of each extrior angle. how many diagonals does the polygon have?

OpenStudy (anonymous):

x +2x = 180

OpenStudy (anonymous):

"it has 4 sides thus 2 diagonal" Interesting, how u come up with that?

OpenStudy (anonymous):

regular poly 4 sides is a square. Exterior and interior 90.

OpenStudy (anonymous):

what is solve?

OpenStudy (anonymous):

x +2x = 180 gives u your answer, basic geometry.

OpenStudy (anonymous):

no no there is one mess the correct answer is it has three sides its a trianglr

OpenStudy (anonymous):

yup i knw actually i was careless

OpenStudy (anonymous):

x-60

OpenStudy (anonymous):

x=60

OpenStudy (anonymous):

Draw it if you don't know...

OpenStudy (anonymous):

hashir but it is a regular polygon. Right?

OpenStudy (anonymous):

A triangle can be a regular polygon...

OpenStudy (anonymous):

3 equal sides and angles

OpenStudy (anonymous):

Also u should know that exterior angle is equal to sum of opposite interiors

OpenStudy (anonymous):

ahhhh i know rigth.. what the anser again?

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