no one is given the credit of discovering maths
It is an obtuse or scalene triangle having the given angles
It is an isosceles triangle and the 3rd angle is 72 degrees.
It is an isosceles right angle triangle if the given numbers are in degrees
As many as you like because any triangle that has a 90 degree angle is always a right angle triangle.
Gilbert N. Lewis was given the credit for discovering how a covalent bond works.
Karl Wilhem is given credit for discovering simple machines
J. J. Thompson was given credit for discovering the first electron.
Darwin.
J.J. Thomson
Captain James Cook.
they didn't document it
no one is given the credit of discovering maths
Amerigo Vespucci is given the credit for discovering America.
vasco nones balboa
Florida
christopher Columbus and leif ericson