Rigid Transformations
Dilations
Similarity
Slope
Triangles
Find the slope
100
A flip across a line.
What is a reflection?
100
True or False? Dilations always make a figure smaller or larger.
What is False?
100
These two things make up the similar figures checklist.
What are
1) corresponding sides (proportional)
2) corresponding angles (equal)
100
Slope is the measure of this.
What is steepness (BONUS* and direction) of a line?
100
The sum of all interior angles, a triangle will always equal this number.
What is 180o?
100
how do you find slope?
height / base ratio, y / x , slope triangles
200
A slide in math.
What is a translation?
200
A dilation might change the size of a figure's side lengths but never the _______.
What are angles?
200
Any one or more of these moves can be used to prove similarity. (list at least two moves)
What are
1) Translations
2) Rotations
3) Reflections
4) Dilations
200
Slope is the change in ______ over _____.
What is rise over run?
Vertical distance (Y) over Horizontal distance (X)
200
If two triangles have _____ of their angles equal, the triangles are similar.
What is two?
200
Find the slope
What is 2?
300
A turn in math.
What is a rotation?
300
Dilations always produce ___________ figures.
What is similar?
300
Congruent figures are _____ congruent.
What is always?
300
The slope of this line.
What is 2/3?
300
What is the measure of the missing angle?
What is 35o?
300
the slope of the green line
What is 20?
400
Describing a translation requires these two things.
What are
1) Direction
2) Distance
400
Dilations need these two things.
What are
1) Center Point of Dilation
2) Scale Factor
400
Similar figures are ____ congruent.
What is sometimes?
400
Divide the length of the vertical side by the length of the horizontal side.
What is finding the slope of a line?
400
The description for these two triangles.
What is similar?
400
slope of this line
What is 1/2?
500
Describing a rotation requires these three things.
What are
1) Center (Point)
2) Distance (Degrees)
3) Direction (Clockwise or Counterclockwise / Positive or Negative)
500
How will dilating a figure with a scale factor of 1/3 change a figure?
What is it will make the figure 3 times smaller from the center of dilation (or reduced/smaller figure)?
500
Dilations can result in a congruent and similar figure if their scale factor is this number.
What is 1?
500
A line leaning to the left.
What is negative slope?
500
Knowing that these two triangles are similar, these are the missing side lengths.
What is
s=12
t=15
500
Find the equation for this line
What is y=3/2x - 3?