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Mathematics 14 Online
OpenStudy (anonymous):

in the diagram below O is circumscribed about quadrilateral WXYZ what is the value of a?

OpenStudy (anonymous):

|dw:1373501057566:dw|

OpenStudy (anonymous):

A.95 B.75 C.105 D.125

OpenStudy (anonymous):

@Valpey here is the another one! help me please

OpenStudy (anonymous):

heellpp???

Directrix (directrix):

Theorem: If a quadrilateral is inscribed in a circle, then opposite angles are supplementary. Therefore, a = 180 - 75 = ? @daniaa

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