Albert1
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$\triangle ABC (with \,\, side \,\, length \,\, a,b,c)$
$if :2b<a+c$
$prove :2\angle B <\angle A +\angle C$
$if :2b<a+c$
$prove :2\angle B <\angle A +\angle C$
Is 2B Always Less Than A+C in a Triangle ABC?
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