Rigid Transformations
When a shape is flipped over a mirror line.
Reflection
What dilation scale factor would make the figure smaller and move to the center?
SF<1
Similarity is...
Same shape, same angles, one scale factor
The sum of all interior angles in a triangle will always equal this number.
180^o
ask my opinion
When a shape is slid using a directed line segment.
Translation
What dilation scale factor would make the figure bigger and move away from the center?
SF>1
Which transformation is unique to similarity
Dilations
If two triangles have _____ of their angles equal, the triangles are similar.
At least 2
Any questions.....
hopes, dreams, fears?
When a shape is turned about a center using a degree and angle.
Rotation
What is the one thing a dilation will never change?
Angles
In a scaled image, to find scale factor you...
put the image over the original.
What are the triangle congruence theorems?
ASA
SAS
SSS
I _____ about you.
worry
Rigid motions create these types of figures.
Congruent
Dilations need these two things.
1) Center Point of Dilation
2) Scale Factor
When you use scale factor you....
multiply it to a part in the original figure.
What are the triangle similarity theorems?
AA
ASA
SAS
SSS
Make sure you _______________.
Know your vocabulary
Each of the rigid motions create a different construction, what are they?
1) Reflection: Perpendicular Bisector
2) Rotation: Circle
3) Translation: Parallel Lines
When will a dilation not move?
When it has a scale factor of 1
When switching the direction between similar figures, what do I call the two scale factors?
The reciprocals
The pythagorean theorem is....
a2+b2=c2
*At time to pack up*
Alright, tables (#-#) _____________
return your supplies