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Mathematics 19 Online
OpenStudy (kailee1423):

What is the value of x? A. 68° B. 62° C. 112° D. 124°

OpenStudy (kailee1423):

OpenStudy (eli_moses):

B

OpenStudy (kailee1423):

Can you explain it please?

OpenStudy (eli_moses):

they give you 56 degrees and x. you also have two parallel lines. so you can tell, using the two parallel lines, that the empty angle would also be 56 degrees. Like before, the degrees of a triangle will always be 180 degrees. 56 plus 56 is 112. now subtract 180 -112 and you get 68 degrees. Therefore, x=68 degrees.

OpenStudy (kailee1423):

I thought parallel lines were side by side. |dw:1411740868039:dw| Like this

OpenStudy (eli_moses):

i meant congruent, srry

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