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Geometry 25 Online
OpenStudy (anonymous):

<> Given the parallelogram ABCD, solve for x y z and the perimeter of ABCD Pic below

OpenStudy (anonymous):

|dw:1365140034449:dw|

Directrix (directrix):

Opposite sides of a parallelogram are congruent. So that gives x+5 = 17. Solve for x and then segment CD will have the same length. Crank that out and then we'll consider the angles. @heather040200

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

i got x=12

Directrix (directrix):

That is correct. Do you have all four side lengths now?

OpenStudy (anonymous):

yes

Directrix (directrix):

When two parallel lines are cut by a transversal, same-side interior angles are supplementary. So, the angle z and the angle with measure 120 are supplementary. z + 120 = 180. z = ? |dw:1365134009573:dw|

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