
Triangle Proofs
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of congruent triangles?
Back
Triangles that have the same size and shape, meaning their corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
2.
FLASHCARD QUESTION
Front
What theorem states that if two angles and the included side of one triangle are equal to two angles and the included side of another triangle, then the triangles are congruent?
Back
Angle-Side-Angle (ASA) Congruence Theorem.
Tags
CCSS.HSG.SRT.B.5
3.
FLASHCARD QUESTION
Front
What is the first statement in the reason column of a triangle proof?
Back
Given.
Tags
CCSS.8.G.A.2
4.
FLASHCARD QUESTION
Front
What does the abbreviation HA stand for in triangle proofs?
Back
Hypotenuse-Angle, referring to a congruence condition for right triangles.
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
What is the definition of the Side-Side-Side (SSS) Congruence Theorem?
Back
If three sides of one triangle are equal to three sides of another triangle, then the triangles are congruent.
Tags
CCSS.HSG.SRT.B.5
6.
FLASHCARD QUESTION
Front
What is the purpose of a proof in geometry?
Back
To provide a logical argument that demonstrates the truth of a geometric statement.
Tags
CCSS.HSG.CO.B.7
7.
FLASHCARD QUESTION
Front
What does the abbreviation HD=DN represent in triangle proofs?
Back
It indicates that segment HD is equal in length to segment DN, often used in congruence statements.
Tags
CCSS.HSG.CO.B.7
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