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Classifying
Theorems & Corrolaries
Classifying II
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Review
100
Triangle with three acute angles.
What is Acute Triangle?
100
Angles in a triangle add to 180.
What is Triangle Sum Theorem?
100
A triangle with two sides the same and one right angle.
What is Isosceles Right Triangle?
100
Polygons where corresponding angles and sides are congruent.
What is Congruent Polygon?
100
A closed figure with three sides.
What is a Triangle?
200
A triangle with at least two congruent sides.
What is an Isosceles triangle?
200
Two angles on one triangle are the same as two angles on a separate triangle, therefore the third angles are equal.
What is Third Angle Theorem?
200
A triangle with two or more sides the same and three acute angles.
What is isosceles acute triangle?
200
Angles on the inside of a triangle that are across from an exterior angle.
What is Remote Interior Angle?
200
Non-coplanar lines that do not intersect.
What is Skew Lines?
300
Triangle with one right angle.
What is a Right Triangle?
300
Equiangular Triangle Corollary
What is all angles are 60 degrees?
300
A triangle with congruent sides and angles less than 90 degrees.
What is Equilateral acute?
300
The acute angles of a right triangle are this.
What is Complementary?
300
If P->Q, and Q->R, then P->R.
What is the Law of Syllogism?
400
A triangle with three congruent angles.
What is Equiangular Triangle?
400
The sum of the remote interior angles is equal to the non-adjacent exterior angle.
What is Exterior Angle Theorem?
400
Triangle with sides of different lengths and one angle larger than 90 degrees.
What is Scalene Obtuse Triangle?
400
A musical instrument called the Triangle is an example of this.
What is Equilateral Triangle?
400
There "can be only one" parallel line through a point not on the line.
What is Parallel Postulate?
500
A triangle with no congruent sides.
What is Scalene Triangle?
500
CPCTC
What is Corresponding Parts of Congruent Triangles are Congruent?
500
A triangle with different size sides and equal angles.
What is Scalene Equiangular (Not possible)?
500
Degrees of an exterior angle to a regular triangle.
What is 120 degrees?
500
Four components of the definition of a proof.
What is Definitions, Properties, Logic, and Previously Proven Statements?