yes
Because there is usually the head of some emperor or king or queen on the other side. To call the opposite side "tails" just seems to be as good as calling it anything else.
shortest side
The longest side of a triangle is always opposite to its largest angle.
The longest side of a triangle is opposite to its largest angle
A comet's ion (gas) tail always points directly away from the sun. Some comets also have a dust tail (antitail) which may curve slightly away to the side of the ion tail.
The longest side of a triangle is always opposite its largest angle
angle with the greatest measure
No.
The shortest side
The front (obverse) of a coin is called "heads" because there is usually a profile head image of an important person in the nation's history. Thus the reverse side becomes the anatomical opposite, or "tails."
The shortest side of a triangle is opposite to the smallest interior angle.
The tails side is the side without the head on it.