Similar Figures
Translations
Reflections
Rotations
100
What makes two figures similar
1) They have the same angles 2) They have proportional sides
100
What is the new coordinate of a point that is translated 3 units left that starts at (0,0)
What is (-3,0)
100
What happens in a reflection across the y axis?
What is (x,y) becomes (-x, y)
100
This angle of rotation creates the same image if it's rotated clockwise or counterclockwise. Also (x,y) turns into (-x,-y)
What is a rotation of 180 degrees?
200
Is a triangle with sides 4,6,8 similar to a triangle with sides 12, 18, 24?
yes
200
Find the coordinates if triangle A(0,0), B(2,2), and C(4,0) was translated 4 units to the left and down 6 units
What is A'(-4,-6), B'(-2, -4), C'(0, -6)
200
Find the coordinates when X(-3, 1) and Y(-1, 4) is reflected over the x-axis.
X'=(-3, -1) Y'=( -1, -4 )
200
The rule for a rotation of 90 degrees counterclockwise.
What is (x,y) becomes (-y, x)
300
Find the missing side: Triangle 1) 4,8,10 Triangle 2) 16, 32, X
X=40
300
Find the coordinates of X', Y', and Z' when triangle XYZ with X(0,3), Y(3, -2), and Z(4,0) is translated by (x-5,y+1)
What is X'(-5, 4), Y'(-2, -1), and Z'(-1, 1)?
300
What happens in a reflection across the x-axis?
What is (x,y) becomes (x,-y)
300
Write the rule for a rotation counterclockwise of 270 degrees.
What is (x, y)-->(y, -x)
400
Find the missing sides: Triangle 1) 12, 21, 33 Triangle 2) 4, X, Y
X=7 Y=11
400
Find the coordinates of M' and N' when MN with M(-4, -1) and N(-3, -3) is translated 5 units right and 2 units up.
What is M'(1, 1) and N'(2, -1)?
400
The line of reflection over x axis when A(-2, 0), B(1, 3), and C(3, -4)
What is A' (-2,0) B' (1,-3) C 3,4)
400
This angle of rotation maps (x, y)-->(-y, x).
What is rotation 270 degrees clockwise or 90 degrees counterclockwise?
500
Find the missing sides: Triangle 1) 3, 9, 24, 36 Triangle 2) 1, X, Y, 12
X=3 Y=8
500
The coordinate mapping when D(-5, 4), E(-4, 1), and F(-2, 1) are translated to D'(-5,0), E'(-4, -3), and F'(-2, -3).
What is 4 units down
500
Reflect over the Y AXIS X(-4, 0), Y(-2, -2), and Z(0, -8)
What is X' (4,0) Y' (2,2) Z' (0,8)
500
Find the coordinates of A' and B' when A(-3, -2) and B(-1, 2) are rotated clockwise 180 degrees.
What is A'(3, 2) and B'(1, -2)?