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Mathematics 13 Online
OpenStudy (anonymous):

Determine whether each statement is true or false. If true, explain why. 1) angle7=angle1+angle9 2) angle1+angle 9=angle4+angle12 3) angle6+angle10+angle11=180 degrees I think number 1 is False

OpenStudy (anonymous):

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OpenStudy (anonymous):

1) where is angle 7? 2) true, they are across from each other 3) true, 180 degrees in a triangle

OpenStudy (anonymous):

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