What does this mean? T <-3, -5>
translation 3 units left and 5 units down
A right angle is how many degrees?
90 degrees
The longest side of a right triangle.
What is the hypotenuse?
y = mx + b is called...
slope intercept form
The first line of a prove is always this.
The given
What transformation is a "turn?"
rotation
Two angles add to 180. They are called...
Supplementary or linear pair
What is the vertex of a triangle?
Where two sides meet
Parallel lines have the same...
slope
HL proof method can only be used for this type of triangle.
Right triangle
A rigid motion that takes every point one quadrant away from the original and take the original coordinates (x,y)- (-y, x).
rotation of 90 degrees
Two angles add to 90. They are called...
Complementary angles
Can these three side lengths make a triangle: 3,3,6?
no
Perpendicular lines have...
slopes that are opposite reciprocals
CPCTC is used when proving...
Angles or sides are congruent
A rigid motion preserves...
Shape and size (angle measures and side lengths)
The hypotenuse of a triangle is always across from what type of angle?
Right angle
Three medians of a triangle meet at a point called the...
centroid
When parallel lines are intersected by a transversal these angles are supplementary.
same side interior angles
CPCTC stands for...
corresponding parts of congruent triangles are congruent
Transformations was unit number ....
The measure of every angle in an equilateral triangle is...
60 degrees
Use this to find the missing side of a right triangle when two side lengths are known.
Pythagorean Theorem
When parallel lines are intersected by a transversal, these angles are congruent
alternate interior, alternate exterior and corresponding angles
If I wrote AB=AB in my statement column, my reason would be...
Reflexive Property