Let ABC be a triangle with integral side lengths such that angle A=3 * angle B. Find the minimum value of its perimeter.
(In reply to re(3): A triangle that works, may not be minimum (spoiler)
by Ady TZIDON)
Always interesting and fun to read your erudite posts, Ady.
However, the law of sinuses probably relates to allergies, e.g., "Never smoke grass clippings, dude!"
The "law of sines" is much more boring. :-)