In geometry, calculating the area of a triangle is an elementary problem encountered often in many different situations. The best known and simplest formula...

height. The area of a triangle equals one-half the product of height and base length. In Euclidean geometry, any two points determine a unique line segment...

book Measurement of a Circle. The circumference is 2πr, and the area of a triangle is half the base times the height, yielding the area π r2 for the disk...

The Research Triangle, or simply The Triangle, are both common nicknames for a metropolitan area in the Piedmont region of the U.S. state of North Carolina...

computation of the area of a triangle: one-half of the product of an altitude's length and its base's length (symbol b) equals the triangle's area: A=hb/2....

In geometry, an isosceles triangle (/aɪˈsɒsəliːz/) is a triangle that has two sides of equal length and two angles of equal measure. Sometimes it is specified...

Halaib Triangle is an area of land measuring 20,580 square kilometres (7,950 sq mi) located on the Northeast African coast of the Red Sea. The area, which...

In a Euclidean space, the sum of angles of a triangle equals a straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has...

An equilateral triangle is a triangle in which all three sides have the same length, and all three angles are equal. Because of these properties, the equilateral...

the degenerate case of a triangle with zero area. In Euclidean geometry and some other geometries, the triangle inequality is a theorem about vectors...

for a quadrantal triangle can be derived from those for a right-angled triangle. The polar triangle of a polar triangle is the original triangle. If the...

incircle is a triangle center called the triangle's incenter. An excircle or escribed circle of the triangle is a circle lying outside the triangle, tangent...

geometry, a median of a triangle is a line segment joining a vertex to the midpoint of the opposite side, thus bisecting that side. Every triangle has exactly...

The Bermuda Triangle, also known as the Devil's Triangle, is a loosely defined region in the North Atlantic Ocean, roughly bounded by Florida, Bermuda...

geometry, a Heronian triangle (or Heron triangle) is a triangle whose side lengths a, b, and c and area A are all positive integers. Heronian triangles are...

Texas Triangle is a region of Texas that contains the state's five largest cities and is home to over half of the state's population. The Texas Triangle is...

a triangle with integer sides and integer area. List of triangle inequalities One-seventh area triangle, an inner triangle with one-seventh the area of...

bisectors of the sides of another quadrilateral. There is an infinitude of lines that bisect the area of a triangle. Three of them are the medians of the triangle...

formula (or Hero's formula) gives the area of a triangle in terms of the three side lengths ⁠ a , {\displaystyle a,} ⁠ ⁠ b , {\displaystyle b,} ⁠ ⁠ c ....

A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular...

An integer triangle or integral triangle is a triangle all of whose side lengths are integers. A rational triangle is one whose side lengths are rational...

Sierpiński triangle, also called the Sierpiński gasket or Sierpiński sieve, is a fractal with the overall shape of an equilateral triangle, subdivided...

the standard formula for the area of a triangle: A = 1 2 b h {\textstyle A={\frac {1}{2}}bh} , where b is the length of a side, and h is the perpendicular...

({\text{Area of }}\triangle ABG)=({\text{Area of }}\triangle ACG)=({\text{Area of }}\triangle BCG)={\tfrac {1}{3}}({\text{Area of }}\triangle ABC).} The...

the sides of any triangle to the sines of its angles. According to the law, a sin ⁡ α = b sin ⁡ β = c sin ⁡ γ = 2 R , {\displaystyle {\frac {a}{\sin {\alpha...

The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla. : 345–346 ...

line of output and showing 2 digits after the decimal point, the .2 in F10.2 of the FORMAT statement with label 601. C AREA OF A TRIANGLE WITH A STANDARD...

of the two triangles formed by one diagonal equals the product of the areas of the two triangles formed by the other diagonal. The areas S and T of some...

project management triangle (called also the triple constraint, iron triangle and project triangle) is a model of the constraints of project management...

The Golden Triangle of Jakarta (Indonesian: Segitiga Emas Jakarta), also referred to as the Medan Merdeka–Thamrin–Sudirman Axis (Indonesian: Poros Medan...