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Mathematics 7 Online
OpenStudy (gabbyalicorn):

Lines l, m, and n are parallel. What is the value of x?

OpenStudy (gabbyalicorn):

|dw:1433305140626:dw| @10115658 @triciaal

OpenStudy (triciaal):

angles on a straight line add up to 180

OpenStudy (gabbyalicorn):

180 - 58 = 122º

OpenStudy (triciaal):

when you cut across parallel lines corresponding angles are equal

OpenStudy (gabbyalicorn):

? 180 - 180

OpenStudy (triciaal):

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