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Mathematics 20 Online
OpenStudy (anonymous):

Line r is parallel to line t. Find m<5. Please help me to understand... You can pick from 45,35,135,145

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (anonymous):

@e.mccormick

OpenStudy (anonymous):

I'm super lost...

OpenStudy (anonymous):

Okay since line r is parallel to line t it means that measures 2,4,5,6 are equal to measures 1,3,7, and m<135. Since this is the case M<135 is equal to m<5 meaning they are going to be thee same measures.

OpenStudy (anonymous):

Do you get it

OpenStudy (anonymous):

Kind of.. What does m mean though?

OpenStudy (anonymous):

So your answer would be 135? I was doing some strange thing by taking 180-135= giving my answer got me confused.

OpenStudy (anonymous):

m stands for the measure of

OpenStudy (anonymous):

So the answer would be 45??? Or 135?

OpenStudy (anonymous):

Im sorry the answer would be 135. It wouldn't be 45 because that would be the measure of angle 7. But using angle 7 and knowing that its the same as angle 6 you could subtract 45 from 180 and then you would get what angle 5 is

OpenStudy (anonymous):

Oh right because angle 5 is the rest of the 180 degrees?

OpenStudy (anonymous):

@welshfella

OpenStudy (anonymous):

Right

OpenStudy (welshfella):

the angle 135 and angle 5 are external alternate angles and are eequal

OpenStudy (welshfella):

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OpenStudy (welshfella):

angles marked x are external alternate angles

OpenStudy (anonymous):

So it would have to be 135! Being equal?

OpenStudy (welshfella):

135 degrees is correct

OpenStudy (welshfella):

yea

OpenStudy (welshfella):

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