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|dw:1443727429177:dw|

|dw:1443727580378:dw|

|dw:1443727702263:dw|

which means 2m=4m-120

Yes I did, but it only talked about supplementary angles. oh okay, wait so 2m=4m-120

it also talked about congruent angles

and it talked about three kinds of congruent angles

the angles I mentioned earlier were corresponding angles

now |dw:1443728005251:dw|
the sum of these circled angles is 180 deg

4m-120+5n=180

yes

vertical angles equal 180

so you got m is 60 right?

replace m with 60 then
4(60)-120+5n=180 and now solve for n

Yes. So n=12

right since
you have
240-120+5n=180
120+5n=180
5n=60
n=12
great

Thank you very much for your help!

congruent means they have the same degree measurement

hey also one more important thing

yes? Sorry I was looking at other things in that one site you gave me

I confused myself earlier

and I guess I forgot what vertical angles were

but vertical angles are the same not supplementary

Yeah sorry I got confused, but yes.

so hmm... this means n will be different

|dw:1443728561704:dw|

\[2m=4m-120 \\ -2m=-120 \\ m=60 \\ 4m-120=5n \\ 4(60)-120=5n \\ 240-120=5n \\ 120=5n \\ n=24\]

but you said n is 12... right?
so let me ask ...
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