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Mathematics 17 Online
OpenStudy (anonymous):

It's a Grade 7 question, but I can't seem to get this, help?

OpenStudy (anonymous):

Gotta find x!

OpenStudy (amistre64):

what do the tic marks on the lines mean?

OpenStudy (anonymous):

That the sides are equal

OpenStudy (amistre64):

and the single angle arcs ... they represent congruent angles as well?

OpenStudy (anonymous):

No I actually just drew them, there shouldn't be any angle arcs. Just the tic marks, 130, and x

OpenStudy (amistre64):

prolly not ...|dw:1384779818292:dw|

OpenStudy (amistre64):

isosceles triangle ... would you say that that 130 give us 50 to then 130 again?

OpenStudy (amistre64):

|dw:1384779923228:dw| and another isosceles ... with 130 as the tip

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