My Geometric Terms : My Geometric Terms By: Kaylee V P-6 th 9/19/2012
Point : Point Definition: A sharp or tapering end, as a dagger. A projecting part of anything. Pg. 1
Line: Line Definition: A continuous extent of length, straight or curved, without breadth or thickness Pg. 2
plane: plane Definition: A surface generated by a straight line moving at a constant velocity with respect to a fixed point. Pg. 3
Intersecting Lines: Intersecting Lines Definition: When two lines intersect. Pg.4
Parallel Lines: Parallel Lines Definition: Two lines that are parallel and will never touch. Pg. 5
Skew Lines: Skew Lines Definition: Two lines that do not intersect and are not parallel Pg. 6
Perpendicular bisector of a segment: Perpendicular bisector of a segment Definition: The lines cross and make up perpendicular angles Pg. 7
Vertical lines : Vertical lines Definition: When a line is up and down. Pg. 8
Horizontal lines: Horizontal lines Definition: When a line is going side to side. Pg. 9
Parallel planes: Parallel planes Definition: When two planes are parallel. Pg. 10
Intersecting planes: Intersecting p lanes Definition: When two planes intersect. Pg. 11
Perpendicular planes: Perpendicular planes Definition: When two planes cross. Pg. 12
Acute angle: Acute angle Definition: An angle less than 90 degrees. PG. 13
Obtuse angle: Obtuse angle Definition: An angle greater than 90 degrees but less than 180 degrees. Pg. 14
Right angle: Right angle Definition: The angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle. Pg. 15
Square: Square Definition: A rectangle having all four sides of equal length. Pg. 16
Rectangle: Rectangle Definition: A parallelogram having four right angles. Pg. 17
Trapezoid: Trapezoid Definition: A quadrilateral plane figure having two parallel and two nonparallel sides. Pg. 18
Rhombus: Rhombus Definition: An oblique-angled equilateral parallelogram Pg. 19
Parallelogram: Parallelogram Definition: A quadrilateral having both pairs of opposite sides parallel to each other. Pg. 20
Kite: Kite Definition: A shape that forms like a kite. Pg. 21
Pentagon: Pentagon Definition: A polygon having five angles and five sides. Pg. 22
Hexagon: Hexagon Definition: A polygon having six angles and six sides. Pg. 23
Octagon: Octagon Definition: A polygon having eight angles and eight sides. Pg. 24
Decagon: Decagon Definition: A polygon having ten angles and ten sides. Pg. 25
Adjacent angles: Adjacent angles Definition: Two angles having the same vertex and having a common side between them. Pg. 26
Complementary angles: Complementary angles Definition: Either of two angles that added together produce an angle of 90 degrees. Pg. 27
Supplementary angles: Supplementary angles Definition: Either of two angles that added together produce an angle of 180 degrees. Pg. 28
Vertical angles: Vertical angles Definition: Angles that are vertical and equal the same Pg. 29
Congruent segments: Congruent segments Definition: Lines that are the same length. Pg. 30
Congruent angles: Congruent angles Definition: Angles that are the same Pg. 31
Angle bisector: Angle bisector Definition: Different lines that make up many angles Pg. 32
Triangle: Triangle Definition: A closed plane figure having three sides and three angles. Pg. 33
Hypotenuse of a right triangle: Hypotenuse of a right triangle Definition: There is only one right angle Pg. 34
Circle : Circle Definition: A closed plane curve consisting of all points at a given distance from a point within it called the center. Pg. 35
Diameter of a circle : Diameter of a circle Definition: The length of the circle up and down Pg. 36
Radius of a circle : Radius of a circle Definition: half of the length of the circle from side to middle Pg. 37
Semi-circle : Semi-circle Definition: Also called semi circumference, half of a circle Pg. 38
Cone: Cone Definition: A solid whose surface is generated by a line passing through a fixed pint and a fixed plane curve not containing the point. Pg. 39
Cylinder: Cylinder Definition: A surface or solid bounded by two parallel planes and generated by a straight line moving parallel to the given planes. Pg. 40
Sphere : Sphere Definition: A solid geometric figure generated by the revolution of a semicircle about its diameter Pg. 41
Prism : Prism Definition: A solid having bases or ends that are parallel, congruent polygons and sides that are parallelograms. Pg. 42
Pyramid: Pyramid Definition: A solid having a polygonal base and triangular sides that meet in a point. Pg. 43
Cube: Cube Definition: A solid bounded by six equal squares. Pg. 44
Right triangle: Right triangle A triangle having a right angle Pg. 45
Isosceles triangle: Isosceles triangle Definition: There are at least two equal sides Pg. 46
Equilateral triangle: Equilateral triangle Definition: All of the angles are equal Pg. 47
Scalene triangle: Scalene triangle Definition: None of the angles are equal Pg. 48
Ray: Ray Definition: A line that is going one direction and has an endpoint Pg. 49
Linear angles: Linear angles Definition: Where two line will meet. Pg. 50
Picture Citations : Picture Citations http://docs.oracle.com/cd/E11882_01/appdev.112/e11830/sdo_objrelschema.htm http://www.freehomeworkmathhelp.com/Geometry/Geometry_Introduction/geometry.html http://www.euclideanspace.com/maths/geometry/elements/plane/ http://www.cliffsnotes.com/study_guide/Lines-Intersecting-Perpendicular-Parallel.topicArticleId-18851,articleId-18774.html http://www.xpmath.com/careers/topicsresult.php?subjectID=3&topicID=5 http://www.icoachmath.com/math_dictionary/Skew_Lines.html http://www.icoachmath.com/math_dictionary/Perpendicular_Bisector.html http://www.mathopenref.com/vertical.html http://www.icoachmath.com/math_dictionary/Parallel_Planes.html
Real Picture Citations : Real Picture Citations http://www.formfollowsbehavior.com/2008/05/30/the-aesthetic-plane-in-space/ http://www.google.com/imgres?q=point+on+a+line&um=1&hl=en&biw=1024&bih=483&tbm=isch&tbnid=o39WrKJyIRx3vM:&imgrefurl=http://cutcaster.com/photo/100623285-Basketball-at-three-point-line/&docid=NgGhcwJahpESuM&imgurl=http://watermarked.cutcaster.com/cutcaster-photo-100623285-Basketball-at-three-point-line.jpg&w=450&h=300&ei=UupYUIKAHovY9QSZsYDAAw&zoom=1&iact=hc&vpx=595&vpy=163&dur=2290&hovh=183&hovw=275&tx=130&ty=201&sig=112424497471358975247&page=4&tbnh=140&tbnw=174&start=42&ndsp=15&ved=1t:429,r:3,s:42,i:246 http://www.google.com/imgres?q=perpendicular+planes&um=1&hl=en&biw=1024&bih=483&tbm=isch&tbnid=t_cfgJtd61nZcM:&imgrefurl=http://www.st-ives.net/cities/bocaraton/index.htm&docid=REoJ9bDWI23fBM&imgurl=http://www.st-ives.net/cities_images/bocaraton/01a.jpg&w=450&h=450&ei=phtZULDSEMvHqQHb1oHgDA&zoom=1&iact=hc&vpx=93&vpy=126&dur=2488&hovh=225&hovw=225&tx=41&ty=249&sig=112424497471358975247&page=1&tbnh=135&tbnw=135&start=0&ndsp=10&ved=1t:429,r:5,s:0,i:88