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Chapter 1 Vocabulary
Dominic
29
Mathematics
10th Grade
10/18/2012

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Cards

Term

Line

 

Definition
a long narrow mark[image]
Term
Point
Definition
-a dot [image]
Term
Segment
Definition
-to divide somthing into parts or sections[image]
Term
Ray
Definition
- part of a line that begins at a particular point[image]
Term
Plane 
Definition
a flat surface with no thickness[image]
Term
Opposite Rays
Definition

-two rays with a common endpoint that form a line

[image]

Term
Collinear
Definition

When three or more points lie on a straight line

[image]

Term
Coplanar
Definition
The amount of turn between two straight lines that have a common end point[image]
Term
Midpoint
Definition
The middle of[image]
Term
Angle
Definition
-The amount of turn between two straight lines that have a common end point[image]
Term
Bisector
Definition
-The line that divides something into two equal parts[image]
Term
Congruent
Definition
-same shape and size[image]
Term
Vertex
Definition
-point where two or more straight lines meet[image]
Term
Acute Angle
Definition

-angle less than 90°

[image]

Term
Obtuse Angle
Definition
-angle is more than 90° but less than 180°[image]
Term
Right Angle
Definition
- angle that is 90°[image]
Term
Straight Angle
Definition

-angle that is 180°

[image]

Term
Complementary Angle
Definition
-two angles that add up to 90 degrees[image]
Term
Supplementary Angle
Definition
-two angles that add up to 180 degrees[image]
Term
Vertical Angles
Definition
-angles opposite each other when two lines cross[image]
Term
Adjacent Angle
Definition
- angle that has a common side and a common vertex[image]
Term
Linear Pair
Definition
- two supplementary adjacent angles formed by two intersecting lines[image]
Term
Perpendicular Line
Definition
-Lines that are at right angles to each other[image]
Term
Polygon
Definition
-Plane shape with striaght sided[image]
Term
1.Convex/2.Concave
Definition

1.Curved outwards

2.Curved inwards[image]

Term
1. Regular/2. Irregular 
Definition

1. If all the angle and sides are equal

2. has nothing equal[image]

Term
Diagonal 
Definition
-straight line inside a shape that goes from one corner to another[image]
Term
Side
Definition
--One of the lines that make a flat shape[image]
Term
Perimeter
Definition
-d[image]istance around a two-dimensional shape
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