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|dw:1350605708301:dw|

Wanna use trig, or regular plane geometry?

the easiest way to solve this

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

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

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

but nothing yet

|dw:1350693786588:dw|

I will have to make a better drawing.....Answer s/b 100, I think....

|dw:1350694614179:dw|

what is "s/b 100"?

should be

ohh ok i got it

thank you so much!

yw:-)

hey where you get this 180° -5(Betha) = 4(Betha) ?

ADB is 3 Beta

yes but i still don't see how to get 4 Beta...

look at triangle AED

For 180-5 Beta.

yes that i got

but them you set this equal to 4 beta, then i'm lost...

BD = BE so 4 Beta

ohhhh now i see

thank you soo much!

yw:-)