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Shoelace scheme for determining the area of a polygon with point coordinates (,),..., (,). The shoelace formula, also known as Gauss's area formula and the surveyor's formula, [1] is a mathematical algorithm to determine the area of a simple polygon whose vertices are described by their Cartesian coordinates in the plane. [2]
The octant of a sphere is a spherical triangle with three right angles.. Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions.
A right triangle ABC with its right angle at C, hypotenuse c, and legs a and b,. A right triangle or right-angled triangle, sometimes called an orthogonal triangle or rectangular triangle, is a triangle in which two sides are perpendicular, forming a right angle (1 ⁄ 4 turn or 90 degrees).
Silicic acids can be seen as hydrated forms of silica, namely 2 H 2x SiO x+2 = SiO 2 ·(H 2 O) x.Indeed, in concentrated solutions, silicic acids generally polymerize and condense, and ultimately degrade to silicon dioxide and water.
Sisi Chen was diagnosed with pancreatic cancer in July 2007. She died three months later, on 7 October 2007, aged 69, at Huadong Hospital in her native Shanghai. [1]
Siku also works in the computer games industry and as a conceptualist and freelance concept artist. His latest work is The Manga Bible: From Genesis to Revelation , an adaptation of Today's New International Version of the Holy Bible into manga format.
Sama (Turkish: Sema; Persian: سَماع, romanized: samā‘ un) is a Sufi ceremony performed as part of the meditation and prayer practice dhikr. [ clarification needed ] Sama means "listening", while dhikr means "remembrance". [ 1 ]