Shapes
What shape has all right angles and congruent sides?
A square
What is true about vertical angles?
They are always congruent.
Complementary
We have two parallel lines cut by a transversal. What is the measure of an angle in a corresponding angle pair if the other angle is 73 degrees?
73 degrees
What is the point of concurrency of the perpendicular bisector of a triangle called?
Circumcenter
What is the shape that has 4 congruent sides?
A rhombus
What does the linear pair Theorem state?
If two angles form a linear pair, then they are supplementary.
The congruence theorem that only works in right triangles is
The Hypotenuse leg theorem
Parallel lines have this.
The same slope
What is the point of concurrency of the Angle Bisectors in a triangle called?
Incenter
A shape that has two pairs of consecutive congruent sides.
A kite.
What do all the angles in a triangle add up to be?
180 degrees
What is the hypotenuse of a triangle if the length of the legs are 3 and 4?
5
What is true about the slopes of perpendicular lines?
They are opposite reciprocals
What is the point of concurrency of the perpendicular bisector of a triangle called?
Circumcenter
A shape that has four sides.
A quadrilateral
What are three ways to prove two triangles are congruent?
AAS, ASA, SAS, SSS, or HL
In a right triangle, one angle should be equal to____.
90 degrees
We have parallel lines are cut by a transversal. What is the measure of an angle in a same side interior angle pair if the other angle is 65 degrees?
115 degrees
What does the Side-Angle Theorem state?
A shape that has 4 sides and 1 pair of parallel sides.
Trapezoid
What is true about an exterior angle of a triangle?
It is equal the sum of the two remote interior angles
Use this to find the missing side of a right triangle when two side lengths are known.
The Pythagorean Theorem
What is the slope of a line perpendicular to the line made by this equation?
4y=2x+3
-2
The point of concurrency of what lines give the orthocenter?
Altitudes