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Well, tri means three and a triangle has three angles.

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Q: How was a triangle named?
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What are the first and last name of the person whom Pascal's Triangle is named after?

Blaise Pascal.


What is the name of a triangle?

Any 'random' triangle is usually 'named' after the names of its angles - so that a triangle with angles A, B and C is generally referred to as "triangle ABC" - when this format is follwoed, then the sides will generally be named in lower-case letters which correspond to the angle they oppose - so that side 'a' is opposite angle A, and so on. The only other "names" for triangles are for the type of triangle in question, if all tghe sides are the same length then it is an "equilateral" triangle, if one of the sides is a right angle (measures 90 degrees) it is a "right" triangle (or a "right-angled" triangle). If one of the angles is greater than 90 degrees it is an "obtuse" triangle, and if all the angles are less than 90 degrees it is an "acute" triangle


Who was the creator of Pascal's Triangle?

No one is certain who the original creator of Pascal's Triangle is, as it is based off of combinatoric studies from India as well as the Greek knowledge of figurate numbers. It is named after Pascal because he is the mathematician that organized the material and published it first in 1653.


What is the Sierpinski triangle?

The Sierpinski triangle is a fractal (named after Waclaw Sierpinski).The base state for this fractal is a single triangle. Pick one of the vertices on the triangle and define that vertex as "pointing up" (this helps when describing the fractal without pictures).Upon each iteration, take each triangle which is pointing up and inscribe an inverted triangle inside of it. The new triangle should have one vertex at the midpoint of each of the sides of the triangle it is in. This will effectively divide the original triangle into four equally sized triangles, three of which are oriented the same way as the original (they point up), and one of which is inverted (points down).See the related links section for a graphical view of this fractal, as well as detail about the math behind it.


If a triangle is obtuse where is the orthocenter of the triangle found?

If a triangle is obtuse, the orthocenter of the triangle actually lies outside of the triangle. If the triangle is acute, the orthocenter of the triangle lies on the inside of the triangle