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Mathematics 57 Online
OpenStudy (rz172):

help?

OpenStudy (rz172):

@1davey29

OpenStudy (1davey29):

Complementary angles add to 90, so x+y=20 x=y-20, so (y-20)+y=90, 2y-20=90, 2y=110, y=55, x=55-20=35

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