A location
What is a point?
An example that proves a statement false
What is a counterexample?
What are perpendicular lines?
A ___________ moves every point in a figure the same distance in the same direction.
What is a translation?
If two angles in a triangle are congruent to two angles in another triangle, then the third angles are _______.
What is congruent?
A point that divides a segment into two congruent parts
What is a midpoint??
A statement that can be proven
What is a theorem?
Two lines that are in the same plane but never intersect.
What are parallel lines?
A transformation that uses a line like a mirror to reflect a figure.
What is a reflection?
An triangle with three congruent sides.
What is an equilateral triangle?
An angle whose measure is greater than 90 degrees and less than 180
What is an obtuse angle?
A logical argument that uses deductive reasoning to show a statement is true
What is a proof?
A line that intersects two or more lines.
What is a transversal?
A quantity that has both direction and magnitude.
What is a vector?
A triangle that has two or more congruent sides.
What is an isosceles triangle?
A pair of angles whose sum of their measures equals 90 degrees.
What are complementary angles?
A rule that is accepted without proof
What is a postulate?
If two parallel lines are cut by a transversal, then the alternate interior angles are ____________.
What is congruent?
The new figure in a transformation.
What is the image?
The side opposite the right angle in a right triangle
What is the hypotenuse?
A pair of angles whose noxconngruent sides are opposite rays and are supplementary.
What is a linear pair?
A geometric drawing that uses a limited set of tools. Usually a compass or a straight edge.
What is a construction?
If two parallel lines are cut by a transversal, then the consecutive interior angles are _______________.
What is supplementary?
A transformation that preserves both length and angle measure.
What is a ridged motion?
The triangle congruency theorems are SSS, SAS, ASA, AAS and ______________.
What is HL?