Download The Facts on File Geometry Handbook by Catherine A. Gorini PDF

By Catherine A. Gorini

Like different parts of arithmetic, geometry is a continuously becoming and evolving box. pcs, know-how, and the sciences force many new discoveries in arithmetic. For geometry, the components of quantum pcs, special effects, nanotechnology, crystallography, and theoretical physics were really proper long ago few years. there were massive advancements within the box of geometry because the first variation of "The evidence On dossier Geometry Handbook" used to be released. a fantastic primer for center and highschool scholars with regards to geometry, this revised variation highlights new advancements whereas increasing at the fabric within the first version. greater than three hundred new word list phrases were extra in addition to new biographies, occasions, charts, tables, theorems, and pictures and line illustrations. New and revised entries contain: Algebraic equation; Calipers; Coloring; Devil's pitchfork; Hausdorff distance; John Hubbard; Isometric standpoint; Gottfried Wilhelm Leibniz; Magic sq.; vast Moonshine insanity; Isaac Newton; Grigory Perelman; Root snail; tuition arithmetic learn crew (SMSG); Sudoku sq.; Wheel of Theodorus; and, Windmill Theorem.

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Cube csc See cosecant. csc–1 See inverse cosecant. cube (1) A polyhedron having six congruent faces, each of which is a square. (2) The third power of a number or expression. cubic Related to a cube, either the polyhedron or the third power of an expression. cubic close packing A packing of three-dimensional space by spheres in which the centers of the spheres are at the points of a lattice formed of cuboctahedra. Each sphere is tangent to 12 other spheres. cubic lattice A lattice whose lattice unit is a cube.

Circumtangential triangle For a given triangle, there are exactly three points with the property that the line connecting the point to its isogonal conjugate point is tangent to the circumcircle of the circular reasoning – circumtangential triangle glossary 29 glossary cissoid – coaxial triangle. The circumtangential triangle of the given triangle is the equilateral triangle whose vertices are these three points. cissoid The curve whose polar equation is r = 2 sin θ tan θ. It is also called the cissoid of Diocles after its inventor.

A circle has eccentricity 0. An ellipse has eccentricity less than 1; a parabola has eccentricity 1; and a hyperbola has eccentricity greater than 1. congruent – conic section The four conic sections glossary 37 glossary conjugate – conservative field conjugate A term used to indicate that two objects have a special correspondence with each other; the nature of the correspondence depends on the context. conjugate angles Two angles whose measures add up to 360°. conjugate arcs Two arcs whose union is a circle and which intersect only at their endpoints.

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