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Mathematics 15 Online
OpenStudy (anonymous):

Need help with polygons and angles.

OpenStudy (anonymous):

OpenStudy (anonymous):

total sum of all angles in a quadrilateral is 360

OpenStudy (anonymous):

angles means internal angles

OpenStudy (anonymous):

138+75+102+x=360

OpenStudy (anonymous):

x=360-315;x=45

OpenStudy (anonymous):

Thank you. All these formulas and angles to remember and I can't keep up xD

OpenStudy (anonymous):

you are welcome

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