Rigid Transformations
Dilations
Similarity
Slope
Triangles
100
A flip in math.
Reflection
100
True or False? Dilations always make a figure smaller.
False
100
These two things make up the similar figures checklist.
1) Proportional corresponding sides
2) Equal corresponding angles
100
Slope is the measure of this.
Steepness
100
The sum of all interior angles in a triangle will always equal this number.
180^o
200
A slide in math.
Translation
200
A dilation might change the size of a figure's side lengths but never the _______.
angles
200
What geometric transformations can be used to prove similarity.
1) Translations
2) Rotations
3) Reflections
4) Dilations
200
Slope is the change in ______ over _____.
Vertical distance (Y) over Horizontal distance (X)
Rise over run
200
If two triangles have _____ of their angles equal, the triangles are similar.
two / three
300
A turn in math.
Rotation
300
Dilations always produce ___________ figures.
similar
300
Congruent figures are _____ similar.
(sometimes, always)
always
300
The slope of this line.
2/3
300
What is the measure of the missing angle?
35^o
400
Describing a translation requires these two things.
1) Direction
2) Distance
400
Dilations need these two things.
1) Center Point of Dilation
2) Scale Factor
400
Similar figures are ____ congruent.
(sometimes, always)
sometimes
400
The slope of this line.
1
400
Similar or Not? Why?
Similar
500
Describing a rotation requires these three things.
1) Center (Point)
2) Rotation angle (Degrees)
3) Direction (Clockwise or Counterclockwise)
500
How will dilating a figure with a scale factor of 1/3 change a figure?
It will make the figure 3 times smaller from the center of dilation.
500
Dilations can result in a congruent figure if their scale factor is this number.
1
500
True or False: When writing slope as a number we prefer to write the slope as an improper fraction or as a whole number if we can.
True
500
These two triangles are similar. Find the missing side lengths.
s=12
t=15