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Mathematics 19 Online
OpenStudy (anonymous):

how are angle 1and angle 2 related?

OpenStudy (anonymous):

OpenStudy (anonymous):

if 2 angles add up to 180 degrees they are supplementary i believe

OpenStudy (studygurl14):

They are supplementary, but also called straight angles. :)

OpenStudy (nikato):

Becuz u know one right angle is form when 2 lines intersect, then the other 3 are also right. So that means angle 1 and 2 r both right angles, which also means that they are congruent.

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