Geometry Triangle Proofs Review
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Vertical Angles Theorem?
Back
The Vertical Angles Theorem states that when two lines intersect, the angles opposite each other (vertical angles) are congruent.
2.
FLASHCARD QUESTION
Front
What are the conditions for triangle congruence using SSS?
Back
The SSS (Side-Side-Side) postulate states that if three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.
3.
FLASHCARD QUESTION
Front
What does the SAS postulate state?
Back
The SAS (Side-Angle-Side) postulate states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent.
4.
FLASHCARD QUESTION
Front
What is the AAS theorem?
Back
The AAS (Angle-Angle-Side) theorem states that if two angles and a non-included side of one triangle are congruent to two angles and the corresponding non-included side of another triangle, then the triangles are congruent.
5.
FLASHCARD QUESTION
Front
What does the ASA theorem state?
Back
The ASA (Angle-Side-Angle) theorem states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.
6.
FLASHCARD QUESTION
Front
What is the HL Congruence Theorem?
Back
The HL (Hypotenuse-Leg) Congruence Theorem states that if the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.
7.
FLASHCARD QUESTION
Front
What is the definition of bisecting an angle?
Back
To bisect an angle means to divide it into two equal parts.
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