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OpenStudy (anonymous):

Find the missing angle measures in quadrilaterals shown.

OpenStudy (anonymous):

|dw:1329123401329:dw|

OpenStudy (anonymous):

Remember i told you all the interior angles of a quadrilateral add to 360º

OpenStudy (anonymous):

95

OpenStudy (anonymous):

x-15+x-10+x+5+x=360 4x=380 x=380/4=95

OpenStudy (anonymous):

\[ x-10+x+x+5+x-15=360 \implies 4x=380 \implies x= 95^\circ \]

OpenStudy (anonymous):

|dw:1329123682771:dw|

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