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Mathematics 22 Online
OpenStudy (anonymous):

(Help with another question?) Parallelogram LMNO, solve for s.

OpenStudy (anonymous):

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OpenStudy (anonymous):

Answers are 20, 30, 40, 120. i know 30 is incorrect so far.

ganeshie8 (ganeshie8):

solve t first

mathslover (mathslover):

Hint : Opposite angles of a parallelogram are equal.

OpenStudy (anonymous):

2t+10=3t-15 t=25?

mathslover (mathslover):

yes you are right.

mathslover (mathslover):

Okay now, another property : Adjacent angles of a parallelogram are supplementary

OpenStudy (anonymous):

Anndd...now im confused..

mathslover (mathslover):

Do you what does "supplementary" mean?

OpenStudy (anonymous):

nope. i dont know any of those terms really.. i have a hard enough time with the numbers. I can google if you want.??

mathslover (mathslover):

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