Move It
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 ....
3
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