The geometrical figure or the musical instrument? Either way the answer must be 'Ancient Man'.
A triangle is a geometric shape that is naturally formed by connecting three points. No one "invented" it, in the same way that no one "invented" electricity.
Pascal didn't invent pascals triangle, he just made It popular. A Chinese mathematician invented it in about 1015.
Because Pakistan invented the triangle
There are several different formulae for the area of a triangle - depending on the available information - and these were invented by different people.
Blaise Pascal invented the first calculator and Pascals triangle.
Thabit ibn qurra invented the triangle. he was born in Kentucky.
Because no one has yet to invent a bouncy ball that is square or a triangle shape. Invent it yourself!! I'm sure it will work as long as you use something along the lines of rubber.
There are several different formulae for the area of a triangle - depending on the available information - and these were invented by different people.
Pythagoras invented the Pythagorean theorem: a^2 + b^2 = c^2 where a and b are the two shorter sides in a right triangle and c is the hypotenuse.
what did Obama invent
they invent cheese
He didn't invent it. He didn't invent anything.
Why did Ian Donald Invent The ultrasound machine and why did he invent it