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Mathematics 9 Online
OpenStudy (anonymous):

HELP ME PLS

OpenStudy (anonymous):

OpenStudy (anonymous):

FIND X, Y, AND Z

OpenStudy (anonymous):

Okay so do you see the angle where it says 125 in the bottom left?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

That angle is supplementary to x so \[180-125=?\]

OpenStudy (anonymous):

55?

OpenStudy (anonymous):

Yes and since this triangle is an isosceles x and z are congruent to each other so|dw:1436372583244:dw|

OpenStudy (anonymous):

ok thanks! now whats y?

OpenStudy (anonymous):

What do the interior of a triangle's angles add up to?

OpenStudy (anonymous):

110?

OpenStudy (anonymous):

180?

OpenStudy (anonymous):

180 yes so\[55+55=110\] \[180-110=?\]

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