Kaylee V Scrapbook

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Geometry Scrapbook


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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 Definition: A continuous extent of length, straight or curved, without breadth or thickness Pg. 2


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 Definition: A rectangle having all four sides of equal length. Pg. 16


Rectangle Definition: A parallelogram having four right angles. Pg. 17


Trapezoid Definition: A quadrilateral plane figure having two parallel and two nonparallel sides. Pg. 18


Rhombus Definition: An oblique-angled equilateral parallelogram Pg. 19


Parallelogram Definition: A quadrilateral having both pairs of opposite sides parallel to each other. Pg. 20


Kite Definition: A shape that forms like a kite. Pg. 21


Pentagon Definition: A polygon having five angles and five sides. Pg. 22


Hexagon Definition: A polygon having six angles and six sides. Pg. 23


Octagon Definition: A polygon having eight angles and eight sides. Pg. 24


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 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 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 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 Definition: A solid having a polygonal base and triangular sides that meet in a point. Pg. 43


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 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

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