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point

A point is an exact location. A point has no size. A point is named with a capital letter.

Plane

A plane is a flat surface that extends without end in all directions. A plane has no depth.

Ray

A line that starts at one point but is infinity going the other way

Line segment

A line that is a certain length and has end points on either side.

Angle

A figure that is formed by two rays diverging from a common point

Acute angle

An angle measuring below 90 degrees.

Obtuse angle

An angle that measures below 180 degrees but more than 90 degrees.

Right angle

An angle that measures exactly at 90 degrees.

Straight angle

An angle that measures exactly at 180 degrees.

Reflect angle

An angle that measures 181 degrees to 359 degrees.

Vertical angle

Vertical angles are made by when two lines intersect.Vertical angles are congruent.

Adjacent angle

Adjacent angles are made when a line and ray intersect. Adjacent angles have a common side and vertex.

Complementary angle

If the sum of the measures of two angles equals 90 degrees the angles are complementary.

Supplementary angle

If the sum of the measures of two angles equal 180 degrees they are supplementary.

Vertex

The common or middle point

Line

A thing that goes infinity both ways.

intersecting lines

Skew lines

Do not intersect or is parallel these lines are not in the same plane.

Quadrilateral

4 sided polygon

Parallelogram

Polygon that has parallel

Polygon

Many sided figure.

Triangle

3 sided figure. Comes in scalene, isosceles, and equilateral.

Rotation

To rotate

Trapezoid

A plane that two sides are parallel and two are not.

Translation

Moving the shape.

Reflection

A flipped image of the original.

Congruent

Same shape and size.

Line of symmetry

The line that flips the original image.

About this deck

Author: Jack B.

Created: 2012-02-28

Updated: 2012-03-05

Size: 28 flashcards

Views: 295

Created: 2012-02-28

Updated: 2012-03-05

Size: 28 flashcards

Views: 295

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