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Mathematics 6 Online
OpenStudy (anonymous):

Consider the isosceles triangle with AB = AC. Suppose the angle bisector of B intersects the side AC at D and that BC = BD + AD. Determine the angle A.

OpenStudy (anonymous):

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OpenStudy (anonymous):

Wanna use trig, or regular plane geometry?

OpenStudy (anonymous):

the easiest way to solve this

OpenStudy (anonymous):

I was looking at this last night. I'm trying to find my notes on it.

OpenStudy (anonymous):

ok, i'm trying to solve this, but this one is really hard...

OpenStudy (anonymous):

Yeah, I'm trying combinations of law of cosines and law of sines.

OpenStudy (anonymous):

but nothing yet

OpenStudy (anonymous):

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