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We know $\angle A=45^\circ, \angle B=15^\circ,$ and $BC=\sqrt{6}.$ What is $AB?$

 Nov 1, 2020
 #1
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By the sine law, AB = 4 + sqrt(3).

 Nov 1, 2020
 #2
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Is it a triangle?

 Nov 1, 2020

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