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Mathematics 9 Online
OpenStudy (ayyookyndall):

Write a paragraph proof of this theorem : In a plane, if two lines are perpendicular to the same line, then they are parallel to each other. https://www.connexus.com/content/media/451160-12162010-14210-PM-1299492536.png

OpenStudy (studygurl14):

Okay, so since line s is perpendicular to lines r and t, it forms 90 degree angles with both. Since all right angles are equal to each other, then the alternate interior angles are equal to each other, and by the converse of the alternate interior angle theorem, lines r and t must be parallel

OpenStudy (ayyookyndall):

Do you go to connections? @StudyGurl14

OpenStudy (studygurl14):

yep

OpenStudy (ayyookyndall):

What grade are you in? @StudyGurl14

OpenStudy (studygurl14):

10th

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