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You see that draw button? You should click that and try to create the triangle.

|dw:1327274366132:dw|
this is what it looks like

Apply law of Cosines

which is \[\sqrt{b ^{2}+c ^{2}-ABcos(\theta)}\]right

Make sure it is right

BCcos(theta)*** sorry

no..
use a^2 = b^2 + c^2 - 2*b*c*cos(A)

oh did i miss the 2?

bingo x

thats what is throwing me off

thank you both

and use the law of sines to find the angles.

what did you get for the 3rd side?

4.91

A to scale picture might help here
|dw:1327279521199:dw|

yes i see that

so find the "other angle"

if you found A find 90 + (90-A) = 180-A

and got?

66.80

and i repeated for the final angle and got 27.4

well that should be 78 degrees but im getting 27.4

ohhhhhhhh

okay ya that makes sense

thank you so very much

yw