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Mathematics 7 Online
OpenStudy (anonymous):

Im having trouble with this problem, I will post how I solved my work and how I got this answer.

OpenStudy (anonymous):

OpenStudy (cwrw238):

oppoite angles of a parallelogram are equal so you can form a system of 2 equations in p and q solve for p and q

OpenStudy (anonymous):

So how I did this problem was, I set 2q-60+q+45=180 and I solved that, and got q=65 then I plugged that into both equations and found that <C equals 110.and since <C =110 <A would also have to.. and then I did the same with the others and got a 520 when I added them all together, so I think I have a math error.. or Im just doing the problem wrong.

OpenStudy (anonymous):

oh so why did you set them up like that? Is it because they are opposite angles??

OpenStudy (cwrw238):

sorry thats p = 2q - 60 3o - 100 = q + 45

OpenStudy (cwrw238):

yes

OpenStudy (anonymous):

okay so give me a second and ill solve it and get back to you

OpenStudy (cwrw238):

aww thats 3p not 3o of course

OpenStudy (cwrw238):

ok

OpenStudy (anonymous):

so I got that q= 65, im not done yet give me a second.

OpenStudy (anonymous):

p=70 wait for it...

OpenStudy (anonymous):

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