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Mathematics 10 Online
OpenStudy (anonymous):

Find the missing angle measure in quadrilaterals shown.

OpenStudy (anonymous):

|dw:1329122424349:dw|

OpenStudy (anonymous):

All 4 angles add up to 360 degrees. They give you 3 here: 90 90 60

OpenStudy (anonymous):

Find the 4th

OpenStudy (anonymous):

90+90+60+x=360

OpenStudy (anonymous):

I have the answer it is 120, but don't know how to get that.

OpenStudy (anonymous):

|dw:1329123053545:dw|

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