Theoretically, some Roman guy. That's only who invented the name triangle though. As for the first shape with three sides, I would say someone in the Indus River Valley if your speaking of humans. If else, probably some random animal accidentally scribbled one in the dirt. Of course, even before that, natural formations in land probably made triangles.
pascal
A Scales triangle is a triangle that has no equal angles or sides! That is so easy!I don't know who put the first answer but, they were not very smart. It is called a scalene triangle first of all and second of all saying "that is so easy" is rude because obviously if they thought it was easy, they wouldn't have asked the question in the first place!
A triangle is made up of 3 angles, which equal 180 degrees.
If the triangle is made up of three bent arrows, then it is a recycling symbol which means that the object is made of HDPE: high density polyethylene.If the triangle is made up of three bent arrows, then it is a recycling symbol which means that the object is made of HDPE: high density polyethylene.If the triangle is made up of three bent arrows, then it is a recycling symbol which means that the object is made of HDPE: high density polyethylene.If the triangle is made up of three bent arrows, then it is a recycling symbol which means that the object is made of HDPE: high density polyethylene.
First you draw a tringsl
It wasn't made in the first place
I'm guessing after the triangle was made.
i believe it is jamaica... im not sure though
Any kind of triangle can be made in a rectangle.
A triangle is made from a rod, not a tube.
pascal
A Scales triangle is a triangle that has no equal angles or sides! That is so easy!I don't know who put the first answer but, they were not very smart. It is called a scalene triangle first of all and second of all saying "that is so easy" is rude because obviously if they thought it was easy, they wouldn't have asked the question in the first place!
A right angle triangle or an isosceles triangle.
There is no shape that is made up 3 sides that is not a triangle. Any shape that is made up of 3 sides is classified as a triangle no matter what shape or size it is.
A triangle is made up of 3 angles, which equal 180 degrees.
The disappearances of people that entered the triangle.
a triangle is special because it is can be made up of 2 right angles.