H.geometry Ch.9 Flashcards Preview

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Flashcards in H.geometry Ch.9 Deck (13)
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0

Transformation moves or changes the figure in someway to produce a new image.

Image

1

Original figure

Pre-image

2

Transformation that preserves length and angle measure

Isometry

3

Is a quantity that has both direction and magnitude ,or size.

Vector

4

Form of the vector that combines the horizontal and vertical components

Component form

5

A rectangular arrangement of numbers in rows and columns

Matrix

6

The numbers of rows and columns

Dimensions

7

The mirror line of a reflection

Line of reflection

8

Transformation in which a figure is turned about a fixed point

Center of rotation

9

Rays drawn from the center of rotation to a point to a point and it's image.

Angle of rotation

10

When 2 or more transformations are combined to form a single transformation

Composition of transformations

11

If the figure can be mapped onto itself by a reflection in a line.

Line symmetry

12

If the figure can be mapped onto itself by a rotation of 180° or less about the center of the figure

Rotational symmetry