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Mathematics 14 Online
OpenStudy (theoneandonly):

Medal and Fan!

OpenStudy (theoneandonly):

http://prntscr.com/c6azf3

TheSmartOne (thesmartone):

properties of a parallelogram: opposite angles are congruent consecutive angles are supplementary But, what is the sum of all the angles in a quadrilateral?

OpenStudy (theoneandonly):

I think its 360

TheSmartOne (thesmartone):

that's correct so |dw:1471334362104:dw| so what is the sum of angle A, B, C, and D?

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