Rigid Transformations
Dilations 1
Dilation 2
Bonus
100
To "flip" a figure.
Reflection
100
True or False? Dilations always make a figure smaller.
False
100
Is a dilation of 1.5 an enlargement or reduction?
Enlargement (Gets bigger)
100
What changes during a transformation to make the image become similar?
size
200
To "slide" a figure.
Translation
200
A dilation might change the size of a figure's side lengths but never the size of the _______.
angles
200
Right triangle DEF is reflected about the y-axis, translated 9 units up then dilated by a scale factor of 2. If angle E 40.2 degrees. What is the measure of D?
49.8
200
These two triangles are similar. Find the missing side lengths.
s=12
t=15
300
To "turn" a figure.
Rotation
300
Is this an example of a proportional relationship?
yes / 1.5
300
These two triangles are similar. Find the Value of a divided by b.
a/b = 1.5
300
B is at (10,40). It is dilated by a scale factor of 1/5 and then reflected across the y-axis and x-axis? What is B'''?
(-2,-8)
400
Describing a translation requires these two things.
1) Direction
2) Distance
400
Triangle ABC is reflected about the y-axis and translated 7 units down. If vertex B is (-5,8) what is vertex B''?
(5,1)
400
Quadrilateral ABCD is dilated about the origin to form quadrilateral A'B'C'D', with Point B is located at (2,8). What is the scale factor if point B' is at (3,12).
3/2
400
Triangle DEF has points D(3,6), E (-2,2), F(6,-4). Triangle GHI is a dilated image of Triangle DEF. Point D is located at (9,18). What is the scale factor written as a ratio.
1 : 3
500
Describing a rotation requires these three things: Point of Center, Rotation angle (Degrees) and _____________.
Direction (Clockwise or Counterclockwise)
500
Kemper County is creating Park B. It will be similar to Park A. Park A is 500 ft and Park B is 750 ft. What is the ratio?
3:2
500
Triangle DEF is reflected about the y-axis, translated 7 units down then dilated by a scale factor of 1/2. If vertex F is (-4,11) what is vertex F'''?
(2,2)
500
P is (3,9). P goes through a sequence of transformations. P is dilated by a scale factor of 2 then translated to the left by 3 and up by 4. Finally it is rotated 90 degrees clockwise. What is P'''?
(22,-3)