Angles
What is a right angle?
an angle that equals 90°
What is a "vertex"?
the point where two lines meet and create an angle
What transformation moves an object from one place on a graph to another but does not change its orientation?
Translation
What does scale factor control?
The size of a dilation
What is an "acute" angle?
less than 90°
What are "adjacent" angles?
angles that have sides that touch (angles right next to each other)
What transformation spins an object?
Rotation
What does the center of dilation control?
The direction of the dilated image
What is an "obtuse" angle?
more than 90°
What are vertical angles?
angles that are opposite of one another and ARE EQUAL
What transformation flips and object?
Reflection
What math operation is associated with scale factor?
Multiplication
How many degrees is a straight angle?
180°
What are complementary angles?
angles that add up to 90°
What transformation changes the size of a shape?
Dilation
What does "similar" mean?
Same shape with same angles, but different size
180°
What are supplementary angles?
angles that add up to 180°
What does "congruent" mean?
EXACTLY the same
What does "rigid" transformation mean?
transforming an object, but keeping it exactly the same