Trig Ratios
Congruent Triangles
Triangle Relationships
Flowcharts/Converses
Misc. Review
100
opposite/hypotenuse
What is the sine ratio?
100
A triangle congruence that involves the three sides of one triangle being equal to the three sides of another.
What is the SSS congruence?
100
base x height / 2
What is the formula for area of a triangle?
100
This is a conditional statement formed by interchanging the hypothesis and conclusion.
What is the converse of a statement?
100
These angles are directly across from each other where two lines intersect.
What are vertical angles?
200
(sin A)/a = (sin B)/b
What is the Law of Sines?
200
A triangle congruence that involves 2 sides and the angle between them.
What is the SAS congruence?
200
180 degrees
What do the angles of a triangle add up to?
200
This is a way of organizing a proof that two triangles are congruent, using arrows that point from the equal parts to the conclusion.
What is a flowchart proof?
200
These angles are in the same location as you move from one intersection to another.
What are corresponding angles?
300
opposite/adjacent
What is the tangent ratio?
300
A triangle congruence that involves 2 angles and the side between them.
What is the ASA congruence?
300
The shortest 2 sides of a triangle must add up to more than this.
What is the longest side of a triangle?
300
These shapes are around the pairs of equal sides and angles in a flowchart proof.
What are ovals (circles)?
300
These angles form a "Z" shape when they are connected.
What are alternate interior angles?
400
x^2 = a^2 + b^2 - 2*a*b*cos C
What is the Law of Cosines?
400
A triangle congruence that involves 2 angles and a side NOT between them.
What is the AAS congruence?
400
In a 30-60-90 triangle, this side is twice as long as the shortest leg.
What is the hypotenuse?
400
This is also known as an "if-then" statement.
What is a conditional statement?
400
Angles that add up to 180 degrees.
What are supplementary angles?
500
adjacent/hypotenuse
What is the cosine ratio?
500
SSA
What is NOT a triangle congruence?
500
In this type of triangle, the hypotenuse is equal to the length of the legs times the square root of 2.
What is a 45-45-90 triangle?
500
These are the two parts of a conditional statement.
What are the hypothesis and conclusion?
500
This is a way to show that triangles are SIMILAR, but NOT CONGRUENT.
What is the AA similarity?
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