An angle that is greater than 90 degrees.
What is an obtuse angle?
x, y --> (x-3, y-5)
What is a translation 3 units left and 5 units down?
Straight lines that never intersect.
The Pythagorean Theorem formula.
What is a2+b2=c2?
A line that cuts the image into 2 equal parts.
What is a line of symmetry?
Angles that add up to 90 degrees.
What are complementary angles?
(x,y) --> (-x, -y)
What is a rotation of 180 degrees?
A line that intersects parallel lines.
What is a transversal?
The longest side of a right triangle.
What is the hypotenuse?
The number of lines of symmetry.
What is 2?
Angles that add up to 180 degrees.
What are supplementary angles?
The type of transformation.
What is a reflection?
When parallel lines are intersected by a transversal, these angles are congruent.
What are vertical, alternate interior, alternate exterior, corresponding angles?
Find y.
What is y=8.9?
The amount of times an image maps onto itself before reaching 360 degrees?
What is a rotational symmetry?
Angles that are opposite from each other and are congruent.
What are vertical angles?
A triangle with coordinates A (-1, 1), B (1, 2), C (1, -2) has an imaged dilated with scale factor 4. What are the coordinates for A', B', C'?
What is A'(-4,4), B'(4,8), C'(4,-8)?
When parallel lines are intersected by a transversal, these angles are supplementary.
What are adjacent angles, same side interior angles?
Find x.
What is x=10.6?
The image above has a rotational symmetry of this order.
What is 6?
A pair of angles that are next to each other, share a side and a vertex.
What are adjacent angles?
The scale factor of the dilation.
What is 1/2?
Angle 3 is 72 degrees. What is the measure of angle 8?
What is 108 degrees?
A triangle with a leg of 3 and hypotenuse of 5 would have a leg with this measure?
The rotational symmetry in degrees.
What is 90 degrees?