Vocabulary
Transformations
Congruence
Similarity
More Transformations
100
The word used to describe two shapes/angles that are EXACTLY the same.
Congruent
100
what transformations map A onto B ?
Reflection and Translation
100
triangle ABC is congruent to triangle DEF which series of transformations maps DEF onto ABC ?
Rotation and Translation
100
Name a Congruent Side and Congruent Angle
E=H DE=HG
D=G DF=GI
F=I EF=HI
100
The point (-9,5) gets reflected over the y-axis. What is the coordinate of the image?
(9,5)
200
The transformation that SLIDES an image without turning or flipping it.
Translation
200
If the figure is reflected over the x-axis what are the new coordinates for M' ?
(1,-2)
200
True or False:
If two shapes are congruent, what is true about the area and perimeter
They are the same.
200
translation and dilation
200
Name the 3 rigid motions.
Translation, Rotation, Reflection
300
The transformation that turns an image about a fixed point.
Rotation
300
Triangle JKL has vertices J(0, 2), K(-1, 2), and L(0, -3). What are the coordinates of the image of point K after a dilation with a scale factor of 4?
K' (-4,8)
300
Which side on triangle XYZ is congruent to side BC ?
side YZ
300
What's the scale factor of this dilation?
k = 2
300
A triangle was Translated. Point A was located at (5,-1). Point A' is now located at (3,6). Describe the Translation using Notation.
(x,y) -----> (x-2, y+7)
400
The transformation that changes the size of an image by multiplying be a scale factor.
Dilation
400
Triangle MNP has vertices M(5, 4), N(5, 9), and P(-1, 4). What are the coordinates of the image of point P after the triangle is rotated 180° clockwise about the origin?
P'(1,-4)
400
Name the sequence of translations
9 right, 6 down
400
Fully describe the two different kinds of Dilations.
Enlargement - Results in a larger image due to having a Scale Factor greater than one.
Reduction - Results in a smaller image due to having a Scale Factor less than one.
400
Describe the difference between Congruency and Similarity.
Congruency = Same Angles, Same Side Lengths
Similarity = Same Angles, Different Side Lengths
500
The word used to describe two images that are the same shape, but dilated by a scale factor to be different sizes.
Similar
500
Triangle XYZ has vertices X(-4, 3), Y(-1, 2), and Z(-2, 0). What are the coordinates of the image of XYZ after a translation 3 units to the right and 1 unit up?
X'(-1, 4), Y'(2, 3) and Z'(1, 1)
500
after a reflection across the y axis and a translation down, which side is congruent to side DE ?
side y
500
Point B(8,12) was transformed using a Dilation. After the Dilation, the image was located at point B'(2,3). What scale Factor was used to perform the Dilation?
1/4
500
Where will the new point be located if point G(-3,8) is translated up one and left two, then reflected over the x-axis, and lastly rotated 90 CCW degrees?
(9,-5)