Triangle

A triangle is a shape, or a part of two dimensional space. It has three straight sides and three vertices. The three angles of a triangle always add up...

A right triangle, (also called a right-angled triangle), has one angle that is 90 degrees. The other two angles always add up to 90 degrees but can be...

The triangle is a musical instrument with three sides and curved corners. There is always one corner where the sides do not join. This makes it possible...

1 1 1 1 2 1 1 3 3 1 1 4 6 4 1 1 5 10 10 5 1 Pascal's Triangle is a triangular array. It is named after French mathematician Blaise Pascal, but it was known...

In geometry, an equilateral triangle is a triangle where all three sides are the same length and all three angles are also the same and are each 60°. If...

The pink triangle is one of the two big symbols of the LGBT community. The other is the rainbow flag. The pink triangle was first used in Nazi Germany...

A Sierpinski triangle or Sierpinski triangle gasket is a fractal resulting from doing the following: Start with an equilateral triangle. Remove center...

In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having two and only two sides of equal...

Triangle, sometimes called the Devil's Triangle, is an area in the western part of the North Atlantic Ocean. The weather above the Bermuda triangle always...

The Golden Triangle is an unofficial name for a set of leading universities in the southern English cities of Oxford, Cambridge and London. The University...

geometry, a triangle center is a point that can be called the middle of a triangle. There are many ways of measuring the center of a triangle, and each...

The Triangle Shirtwaist Factory fire was a fire that happened on March 25, 1911. The fire happened in the Triangle Shirtwaist Factory. This factory was...

In geometry, a triangle is the flat shape formed by joining three points (not in a straight line) with straight line segments. A triangle is a three sided...

The Lublin Triangle (Lithuanian: Liublino trikampis; Polish: Trójkąt Lubelski; Ukrainian: Люблінський трикутник, romanized: Liublinskyi trykutnyk) is an...

Blue Triangle is a bus company operating services in East London. It is a part of the Go-Ahead Group and operates services for Transport for London. It...

A Reuleaux triangle is a shape made when three circles cross. It looks like a triangle with round sides and pointed corners. To make one, first draw two...

The Waterford Viking Triangle is part of in Waterford City. It is so called because of the 1000-year-old Viking walls which were around the old city. The...

The Gunther's triangle frog, Guenther's Triangle Frog or Solomon Island eyelash frog (Cornufer guentheri) is a frog. It lives on all of the Solomon Islands...

The fire triangle is used to show the rule that a fire needs three things to burn. These things are heat, fuel, and oxygen. If one of these three is removed...

The Hala'ib Triangle (مثلث حلايب in Arabic, transliterated Muthāllath Ḥalāʾib) is an area of land measuring 20,580 square kilometres (7,950 sq mi) located...