Vocabulary
Lines and Angles
Missing Triangle Angles
Congruency
Name the Moves
100
Define rigid transformation
A way of moving a shape that does not change its size or shape. Maintains congruency.
100
Find the measurement of angle A
58o
100
All of the angles in a triangle add up to ____________
180o
100
What does it mean for two shapes to be congruent?
They are the same shape and the same size
100
What transformation takes figure U to figure V?
Translate 3 left and 5 down
200
TRIPLE POINTS!!!
Define transversal
A line that cuts through a set of parallel lines
200
Find the measurement of angle B
122o
200
Find the value of x
x= 45o
200
Which angle corresponds to angle F?
M
200
What transformation takes figure B to figure C?
Rotate 90o counterclockwise around the origin
300
Define corresponding
Matching, same measurements
300
Find the measure of the missing angle
60o
300
DAILY DOUBLE!!!
Find the value of x
x= 41o
300
Which side corresponds to segment XV?
Segment JK
300
What transformations would take figure Y to figure Z?
Reflect over the y-axis, translate down 3
400
Define supplementary
2 angles that add up to 180 degrees
400
Find the value of x
x= 43o
400
Find the measure of angle H, given 81o and 25o
74o
400
Are the two shapes congruent? How do you know?
Yes, you can reflect figure 1 across the x-axis and translate it down 3 to make figure 2
400
What transformations would take figure R to figure S?
Reflect over y-axis, translate 4 down
500
Define vertical angles
A pair of opposite angles made by two intersecting lines that have the same angle measures
500
Find the values of x and y
x= 135o
y= 45o
500
Find the measures of angles A and D
A= 61o
D= 29o
500
Triangle ABC has the following measurements:
Angle A= 90o
Angle B= 23o
Angle C= 67o
The triangle is reflected over the x-axis, then rotated 90o counterclockwise about the origin. What is the measure of angle C'?
67o
500
What transformations would take figure A to figure B?
Rotate 90o clockwise then reflect over the x-axis