Notation
Vocabulary
Calculate It
Shapes & Angles
Dilation
100
What does the following sign mean?
Division
100
When one shift, moves, or slides a figure
Translation
100
13 x 5
65
100
How many degrees are in a circle
360
100
A scale factor greater than 1 does what to an image?
Makes it larger
200
State the following equation in words:
2 divided by 4
OR
2 over 4
200
Turning clockwise or counterclockwise
Rotation
200
3 - (-5)
8
200
An angle equal to 90 degrees
Right Angle
200
A scale factor less than 1 does what to an image?
Makes it smaller
300
What is this sign?
Example: Find the measurement of <A
Angle
300
Some examples of it are translation, rotation, and reflection
Transformations
300
3 x (-7)
-21
300
An angle greater than 90 degrees
Obtuse
300
Scale factor of 2 does what to an image?
Doubles it
400
What does this sign mean?
Example: "Triangle ABC is to Triangle GHI"
Congruent
400
The starting point from where one measures distances in a dilation. It is a fixed point usually represented by 'p'.
Center of Dilation
400
(-4) x (-3)
12
400
An angle less than 90 degrees
Acute
400
Scale factor of 1/2 does what to an image?
Halves it
500
What does the ' stand for in points like A', B', or C'?
Prime
500
Usually a decimal which scales, or multiplies, some quantity/figure.
Scale Factor
500
12 x (1/2)
6
500
How many degrees are in a triangle
180
500
If the scale factor is greater than 1, is the image dilating towards or away from the center of dilation?
Away (getting bigger)