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Mathematics 7 Online
OpenStudy (anonymous):

What is the measure of angle ECD if ABCD is a parallelogram? *picture of parallelogram in comments

OpenStudy (anonymous):

OpenStudy (anonymous):

whoah marry me! :DDD

OpenStudy (anonymous):

again?

OpenStudy (anonymous):

yeah lol

OpenStudy (gorv):

CD parallel to AB

OpenStudy (gorv):

and AC is transversal line

OpenStudy (gorv):

m<DCE=m<EAB interior corresponding angle ..by property of parallel lines

OpenStudy (gorv):

m<DCE or m<ECD =m<EAB and EAB is given to u

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