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  2. Congruence (geometry) - Wikipedia

    en.wikipedia.org/wiki/Congruence_(geometry)

    In most systems of axioms, the three criteria – SAS, SSS and ASA – are established as theorems. In the School Mathematics Study Group system SAS is taken as one (#15) of 22 postulates. AAS (angle-angle-side): If two pairs of angles of two triangles are equal in measurement, and a pair of corresponding non-included sides are equal in length ...

  3. Synthetic-aperture sonar - Wikipedia

    en.wikipedia.org/wiki/Synthetic-aperture_sonar

    For both SSS and SAS systems, the instantaneous area coverage for a two-sided system (i.e both port and starboard sensor) is: I A C R = 2 ( R − r ) v {\displaystyle IACR=2(R-r)v} Where R {\displaystyle R} is the max ground range and r {\displaystyle r} is the shortest ground range before the Nadir gap, and v {\displaystyle v} is the speed of ...

  4. Solution of triangles - Wikipedia

    en.wikipedia.org/wiki/Solution_of_triangles

    Three sides (SSS) Two sides and the included angle (SAS, side-angle-side) Two sides and an angle not included between them (SSA), if the side length adjacent to the angle is shorter than the other side length. A side and the two angles adjacent to it (ASA) A side, the angle opposite to it and an angle adjacent to it (AAS).

  5. File:SSS8 English.pdf - Wikipedia

    en.wikipedia.org/wiki/File:SSS8_English.pdf

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  6. Hinge theorem - Wikipedia

    en.wikipedia.org/wiki/Hinge_theorem

    The hinge theorem holds in Euclidean spaces and more generally in simply connected non-positively curved space forms.. It can be also extended from plane Euclidean geometry to higher dimension Euclidean spaces (e.g., to tetrahedra and more generally to simplices), as has been done for orthocentric tetrahedra (i.e., tetrahedra in which altitudes are concurrent) [2] and more generally for ...

  7. Centroid - Wikipedia

    en.wikipedia.org/wiki/Centroid

    The centroid of a ring or a bowl, for example, lies in the object's central void. If the centroid is defined, it is a fixed point of all isometries in its symmetry group . In particular, the geometric centroid of an object lies in the intersection of all its hyperplanes of symmetry .

  8. Subsurface scattering - Wikipedia

    en.wikipedia.org/wiki/Subsurface_scattering

    Real-world subsurface scattering of light in a photograph of a human hand Computer-generated subsurface scattering in Blender. Subsurface scattering (SSS), also known as subsurface light transport (SSLT), [1] is a mechanism of light transport in which light that penetrates the surface of a translucent object is scattered by interacting with the material and exits the surface potentially at a ...

  9. SAS (software) - Wikipedia

    en.wikipedia.org/wiki/SAS_(software)

    A free version of SAS was introduced for students in 2010. [48] SAS Social Media Analytics, a tool for social media monitoring, engagement and sentiment analysis, was also released that year. [49] SAS Rapid Predictive Modeler (RPM), which creates basic analytical models using Microsoft Excel, was introduced the same year.