The Chinese came up with it many many years before Pascal did.
Triangle A is the only possible name from the information provided.
A triangle.
Another name is its correct name: an isosceles triangle.
If you mean: a squared+b squared = c squared then it is Pythagoras' theorem for a right angle triangle
The name of a triangle came from the number of angles it has, 'tri' meaning three.
who came up with the name creators
The Chinese came up with it many many years before Pascal did.
Harry came up with the name :)
who first came up with the name email?
Michael Clifford came up with the name. :)
It would probably have been a trigon, but that is besides the point. The name triangle came first and was widely accepted. You also have quadrilateral rather than tetragon.
It was Tomasso Padoa-Schioppa.
A triangle that has 3 different acute angles that add up to 180 degrees is a scalene triangle.
Alfred Wegener came up with the name Pangaea which means "all land".
The lead singer for Avenged Sevenfold (M. Shadows) came up with the name.
That is just a name they came up with for Harry Potter.