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The difference between these two definitions is that the modern version makes equilateral triangles (with three equal sides) a special case of isosceles triangles. [2] A triangle that is not isosceles (having three unequal sides) is called scalene. [3] "Isosceles" is made from the Greek roots "isos" (equal) and "skelos" (leg).
Triangles have many types based on the length of the sides and the angles. A triangle whose sides are all the same length is an equilateral triangle, [3] a triangle with two sides having the same length is an isosceles triangle, [4] [a] and a triangle with three different-length sides is a scalene triangle. [7]
Scalene may refer to: A scalene triangle, one in which all sides and angles are not the same. A scalene ellipsoid, one in which the lengths of all three semi-principal axes are different; Scalene muscles of the neck; Scalene tubercle, a slight ridge on the first rib prolonged internally into a tubercle
The posterior scalene, (Latin: scalenus posterior) is the smallest and most deeply seated of the scalene muscles. It arises, by two or three separate tendons, from the posterior tubercles of the transverse processes of the lower two or three cervical vertebrae, and is inserted by a thin tendon into the outer surface of the second rib, behind ...
Scalene triangle; Sierpiński triangle; Skinny triangle; Special right triangle; Spherical triangle; T. Trilliant cut This page was last edited on 6 January 2022, at ...
A scalene trapezoid is a trapezoid with no sides of equal measure, [3] ... trapezoid/trapezium with opposing triangles , formed by the diagonals. Given a convex ...
The shortlist definitions were provided by Oxford. Lore. Noun: "A body of (supposed) facts, background information, and anecdotes relating to someone or something, regarded as knowledge required ...
In trigonometry, the law of sines, sine law, sine formula, or sine rule is an equation relating the lengths of the sides of any triangle to the sines of its angles. According to the law, = = =, where a, b, and c are the lengths of the sides of a triangle, and α, β, and γ are the opposite angles (see figure 2), while R is the radius of the triangle's circumcircle.