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Mathematics 7 Online
OpenStudy (anonymous):

Can someone please help me with this Geometry problem?? I would like to learn how to do it, and get the right answer. thanks you!!

OpenStudy (anonymous):

OpenStudy (anonymous):

what lesson?

OpenStudy (anonymous):

Ok I don't have much time. Do you see that the triangle is isosceles? Isosceles triangles have 2 equal angles. Sum of the angles in a triangle = 180. supplementary angles add up to 180. From all this we have this picture. (soon to come)

OpenStudy (anonymous):

|dw:1352301414536:dw|

OpenStudy (anonymous):

to solve setup 180 = sum of interior triangle angles. Watch out for the negative sign, make sure you distribute it correctly. Combine like terms. You should be fine

OpenStudy (anonymous):

So set it up like 180= (7x-54) + 8x + (7x-54) ?

OpenStudy (anonymous):

connexus?

OpenStudy (anonymous):

haha. yeah. I'm just not good at teaching myselff!

OpenStudy (anonymous):

im in it to, what grade?

OpenStudy (anonymous):

senior.

OpenStudy (anonymous):

taking geometry?

OpenStudy (anonymous):

yes. because I'm graduating early. So, im doing my junior and senior year at the same time.

OpenStudy (anonymous):

oh okay, what history are you taking?

OpenStudy (anonymous):

U.S. History.

OpenStudy (anonymous):

have you done Emergence of the modern united states portfolio yet

OpenStudy (anonymous):

haha! No, I started it, but them he made modifications so i got ticked off and deleted it, so now i have to start over. lol

OpenStudy (anonymous):

omg im on that to and I do not like it, and I was ganna say id give you geometry help for that lol beause imahead of you in geometry.

OpenStudy (anonymous):

Aww!! I'm sorry!! :/ Idk when I'll be able to start it because I'm so freaking behind in Geometry. I have straight freaking As and a d in geom... so Im trying to get better! lol

OpenStudy (anonymous):

message me?

OpenStudy (anonymous):

|dw:1352302301551:dw| 180=2(180-8x)+7x-54 Sry I messed up earlier

OpenStudy (anonymous):

Yeah.... I don't get it. I got 8 then i got .3321

OpenStudy (anonymous):

what lesson?

OpenStudy (anonymous):

Geometry A _ Congruence in Right Triangles

OpenStudy (anonymous):

it is A

OpenStudy (anonymous):

180=2(180-8x)+7x-54 180=360-16x+7x-54 180=306-9x -126=-9x x=14

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