Angle Relationships
Translations
Reflections
100
What angle relationship is shown below?
Corresponding Angles
100
What happens to a shape or point when it is translated?
The shape or point slides or moves horizontally and vertically to a new location without changing size or shape.
100
What are the reflection rules for reflecting over the x-axis and y-axis?
X-Axis (x,y)->(x,-y)
Y-Axis (x,y)->(-x,y)
200
What angle relationship is shown?
What is the value of x?
Alternate Interior Angles
x =161°
200
Point B is located at point (8, 13). Where is B' after a translation of 8 left and 6 down?
B' ( 0, 7)
200
Point C is located at point (-2, 4). Where is C' after a reflection over the y-axis?
C' ( 2, 4)
300
What is the angle relationship?
What is the value of x and the missing angles?
Consecutive (Same-Side) Interior Angles
x = 20 Angles = 47° & 133°
300
Point D (-5, -6) was translated into Point D' (-8, 4). What was the translation rule that took place?
(x,y) -> (x-3,y+10)
300
Given △ABC where A(-2,3), B(1,2), and C(3,-1)
is reflected over the line y = -2.
What are the coordinates of △A'B'C'?
A' (-2,-7)
B' (1,-6)
C' (3,-3)
400
What angle relationship is shown?
What value of x would make the lines parallel?
Same-Side Exterior (Supplementary)
x = 20
400
Given △PQR where P(-2,3), Q(1,2), and R(3,-1)
What are the coordinates of △P'Q'R' after a translation of (x,y)->(x+9,y-2) ?
How many units and in which directions did the shape move?
P' (7,1)
Q' (10,0)
R' (12,-3)
9 units to the right and 3 units down
400
Given △PQR where P(-2,3), Q(1,2), and R(3,-1)
is reflected over the line x = 3.
What are the coordinates of △P'Q'R'?
P' (8,3)
Q' (5,2)
R' (3,-1)