Similar Figures (Sides)
Similar Figures (Angles)
Transformations
Angles of Triangles
Dilations & Scale Factor
100
The figures are similar. Find x.
15
100
Are the triangles similar?
Yes
100
The vertices of a triangle are A(3,5), B(-2,4), and C(-2,-5).
Apply the transformation (x,y) --> (x-1,y+4) to the vertices of the original triangle and give the coordinates of each vertex of the image. Then name the type of transformation (translation, reflection, rotation, dilation).
A'(2,9)
B'(-3,8)
C'(-3,-1)
Translation
100
Find the measures of the interior angles
40, 65, 75
100
The blue figure is a dilation of the red figure. Identify the type of dilation and find
the scale factor.
Enlargement, 2
200
The figures are similar. Find x. 
14
200
Which one doesn't belong?
Triangle JKL
200
The vertices of a triangle are A(3,5), B(-2,4), and C(-2,-5).
Apply the transformation (x,y) --> (2x,2y) to the vertices of the original triangle and give the coordinates of each vertex of the image. Then name the type of transformation (translation, reflection, rotation, dilation).
A'(6,10)
B'(-4,8)
C'(-4,-10)
Dilation
200
Find the measure of the exterior angle. 
128
200
Which figure is not a dilation of the blue figure?
Middle
300
The figures are similar. Find x.
14.4
300
Triangle EFG and some of its measurements are shown. Triangle ABC is similar to triangle EFG. What is the measure of angle B?
30
300
The vertices of a triangle are A(3,5), B(-2,4), and C(-2,-5).
Apply the transformation (x,y) --> (x,-y) to the vertices of the original triangle and give the coordinates of each vertex of the image. Then name the type of transformation (translation, reflection, rotation, dilation).
A'(3,-5)
B'(-2,-4)
C'(-2,5)
Reflection
300
Find the measures of the interior angles.
44, 48, 88
300
The blue figure is a dilation of the red figure. Identify the type of dilation and find the scale factor.
Reduction, 1/4
400
A student’s rectangular desk is 30 inches long and 18 inches wide. The teacher’s desk is similar to the student’s desk and has a length of 50 inches. What is the width of the teacher’s desk?
30in
400
Triangle ABC is similar to triangles DEF. What is the measure of angle F?
22
400
The vertices of a triangle are A(3,5), B(-2,4), and C(-2,-5).
Apply the transformation (x,y) --> (-x,y) to the vertices of the original triangle and give the coordinates of each vertex of the image. Then name the type of transformation (translation, reflection, rotation, dilation).
A'(-3,5)
B'(2,4)
C'(2,-5)
Reflection
400
Find the measure of the exterior angle. 
108
400
A triangle is dilated using a scale factor of 8. The image is then dilated using a scale factor of 1/2. What scale factor could you use to dilate the original triangle to get the final image?
4
500
A Mexican flag is 63 inches long and 36 inches wide. Is the drawing similar to the Mexican flag?
no
500
Triangle XYZ is similar to triangle LMN. If the measure of angle Z is 35 degrees, what is the measure of angle N?
35
500
The vertices of a triangle are A(3,5), B(-2,4), and C(-2,-5).
Apply the transformation (x,y) --> (y,-x) to the vertices of the original triangle and give the coordinates of each vertex of the image. Then name the type of transformation (translation, reflection, rotation, dilation).
A'(5,-3)
B'(4,2)
C'(-5,2)
Rotation
500
The triangle with lines through it designates a no parking zone. What is the value of x?
45
500
The blue figure is a dilation of the red figure. Identify the type of dilation and find the scale factor.
Enlargement, 3/2