Transformations
Congruent or not
Angles
Coordinates
Triangles
100
Which rigid transformation shows that a is congruent to b?
Rotation
100
Are they congruent? If so, describe a rigid transformation that takes A to B
NO
100
Which angle is congruent to angle CBA?
Angle DBE
100
What are the coordinates of point A?
(-4,3)
100
The angles in a triangle always add up to __________.
180 degrees.
200
Which rigid transformation shows that these two figures are congruent?
translation
200
Are they congruent? If so, describe a rigid transformation that takes A to B
No.
200
Which angles add up to a total of 180 degrees with angle CBA?
Angles CBD and ABE
200
Which point is the image of point a after a reflection across the y-axis?
point c
200
Find the measure of a
80 degrees
300
On the coordinate plane shown, AB is a vertical segment with a length of 5 units. If A′B′ is the image of AB after a rotation, what is the length of A'B'?
5 Units
300
Are triangle 1 and triangle 2 congruent?
No.
300
The following transformations occur:
- Trapezoid GHJK is rotated 90°90° clockwise about the origin, resulting in trapezoid G'H'J'K' (not shown).
- Trapezoid G'H'J'K' is reflected across the x-axis, resulting in trapezoid G''H''J''K'' (not shown).
What is the measure of angle G''?
63
300
Which point is the image of point a after a reflection across the x-axis?
point b
300
Find the measure of angle B
25 degrees
400
Use rigid transformations to find the value of angle b 
47 degrees
400
Are they congruent? if so, describe a rigid transformation that can take A to B.
Yes, rotation 90 degrees counter clockwise and translation.
400
What is the value of X?
150.
400
Find the coordinates of point B, the image of A after a translation two units to the right, then a reflection across the x-axis.
(-2, -3)
400
What is C?
65 degrees
500
Which figure can be transformed into figure P by a translation 2 units to the right followed by a reflection across the x-axis?
Figure M
500
Which figures are congruent to figure M?
Figures P, J, and L
500
If angle 2 is 48 degrees, what is the measure of angle 8?
132 degrees
500
Find the coordinates of point C, the image of A after a reflection using the y-axis, then a translation two units to the right.
(6, 3)
500
Find the value of x.
35 degrees