geometry 101-1207335368647869-8
Post on 01-Dec-2014
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By: Alison & Kailey
Table of Contents• Point• Line Segment• Line• Intersecting Lines• Parallel Lines• Perpendicular Lines• Ray• Acute Angle• Obtuse Angle• Right Angle• Supplementary Angles• Complimentary Angles
• Acute Triangle• Obtuse Triangle• Right Triangle• Equilateral Triangle• Isosceles Triangle• Scalene Triangle• Radius• Diameter• Circumference • Chord• Arc• Sector
Point
A point has no length or width, it pin-points an exact location.
Point A
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Table of Contents
Line Segment
A line segment doesn’t go on forever, but has two exact endpoints.
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Line
A line goes on forever in both directions and has no end points.
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Intersecting Lines
Lines that intersect are used when lines, rays, line segments, or
figures, share a common point.
Point K
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Parallel Lines
Two lines in the same direction that never intersect are called parallel
lines.
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Perpendicular Lines
When two lines cross vertically and horizontally and have no exact endpoints.
Point L
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Ray
The point where the ray begins is its endpoint.
Point C
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Acute Angle
An acute angle is an angle between 0 and 90 degrees.
Point N
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Obtuse Angle
An obtuse angle is an angle between 90 and 180 degrees.
Point T
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Right Angle
A right angle is an angle measuring 90 degrees.
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Supplementary Angle
Two angles are called supplementary angles if the sum of their degree
measurements equals 180 degrees
90 Degrees
90 degrees+ =180 Degrees
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Complimentary Angles
Two angles are called Complimentary angles if their sum equals 90 degrees
35 degrees + 55 degrees = 90 degrees
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Acute Triangle
A triangle that has 3 acute angles.
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Obtuse Triangle
A triangle with an angle over 90 degrees.
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Right Triangle
A triangle that has one right angle.
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Equilateral Triangle
A triangle that has all sides congruent.
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Isosceles Triangle
A triangle that has only 2 sides congruent.
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Scalene Triangle
A triangle that has all sides different lengths are Scalene Triangles.
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Radius
A radius is the point in the middle of a circle.
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Diameter
The diameter is the space between the radius and the
outside of a circle.
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Circumference
The perimeter of the circle.
Circumference
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Chord
A straight line on a circle connecting one point to another.
A K
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Arc
A part of a circle, named by its endpoints.
A K
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Sector
A region enclosed by two radii and the arc joining
their endpoints.
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