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Mathematics 9 Online
OpenStudy (logan13):

In the figure, a ‖ e, m ‖ n, and m∠3 = 108°. What is m∠6?

OpenStudy (logan13):

http://prntscr.com/a70qxd

OpenStudy (mathstudent55):

Just look at this part of the figure. |dw:1456251769133:dw|

OpenStudy (mathstudent55):

Lines a and e are parallel. Line m is a transversal. What are angles 3 and 6 called?

OpenStudy (logan13):

M A @mathstudent55

OpenStudy (mathstudent55):

When two lines are intersected by a third line at two different points, the third line is called a transversal. In this case, you have lines a and e. They are intersected by line m. Line m is a transversal.

OpenStudy (logan13):

so its 120

OpenStudy (mathstudent55):

There are names given to certain pairs of angles. Angles 3 and 6 are called corresponding angles. Postulate: When parallel lines are cut by a transversal, corresponding angles are congruent.

OpenStudy (mathstudent55):

That means that angles 3 and 6 are congruent. Congruent angles have the same measure.

OpenStudy (logan13):

is it 12o degreese

OpenStudy (logan13):

120

OpenStudy (mathstudent55):

No. How did you come up with 120 deg?

OpenStudy (logan13):

i have no clue i made a educated guess

OpenStudy (logan13):

@mathstudent55

OpenStudy (logan13):

@alex6799

OpenStudy (alex6799):

m3=m6.....m3=108 so m6=108

OpenStudy (logan13):

108

OpenStudy (alex6799):

yea

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