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Mathematics 8 Online
OpenStudy (anonymous):

the 2 dotted lines in the rectangle are perpendicular to each other. angle theta equals...

OpenStudy (anonymous):

having problems uploading...

OpenStudy (anonymous):

OpenStudy (dumbcow):

90 degrees All perpendicular lines make right angles

OpenStudy (anonymous):

the pic was confusing me...but it should be 15, correct?

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