Vocab
Missing Angles
Transformations
Congruent or Not?
100
A type of transformation that moves or slides a figure.
Translation
100
Vertical angles are always...
equal
100
What type of transformation is displayed here?
Rotation
100
What must be the same for shapes to be congruent to each other? (3 things)
Size, shape, and angles.
200
A type of transformation that turns a figure around a point.
Rotation
200
What is the measure of angle B?
40*
200
Which type of transformation is displayed here.
Translation
200
What's the easiest way to tell if shapes are congruent?
Tracing paper or measure the sides and angles.
300
Types of transformations that do not change the size or shape of a figure.
Rigid Transformations
300
Which angles in the picture would also have to be 70*?
d, e, and h
300
How many degrees in a rotation will take an image upside down?
180*
300
Which angles are congruent to angle 4?
2, 6, and 8
400
Angles that are across from each other and are always equal.
Vertical Angles
400
If a straight line equals 180*, then what would angle DCB have to be?
128*
400
Where is point B located?
(-4, 1)
400
If two rectangles both have an area of 12, are they congruent?
NO, not enough information.
500
A line that cuts across parallel lines.
Transversal
500
If angle y is also 76*, and a straight line is 180*, what do you think the measure of angle x is?
104*
500
What point was this figure rotated around?
(1,0)
500
If two shapes have the same size side lengths, does that make them congruent?
No, they could have different angles.