CPCTC

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does CPCTC stand for?
Back
CPCTC stands for 'Corresponding Parts of Congruent Triangles are Congruent.' It is a principle used in geometry to prove that if two triangles are congruent, then their corresponding parts (angles and sides) are also congruent.
Tags
CCSS.HSG.SRT.B.5
2.
FLASHCARD QUESTION
Front
If ∆SOK ≅ ∆LMT, what can we conclude about ∠K?
Back
∠K ≅ ∠T. This follows from the CPCTC principle, which states that corresponding angles in congruent triangles are equal.
Tags
CCSS.HSG.CO.B.7
3.
FLASHCARD QUESTION
Front
What is the relationship between congruent triangles?
Back
If two triangles are congruent, it means they have the same size and shape, which implies that all corresponding sides and angles are equal.
Tags
CCSS.8.G.A.2
4.
FLASHCARD QUESTION
Front
How can you prove that two triangles are congruent?
Back
You can prove two triangles are congruent using several methods: SSS (Side-Side-Side), SAS (Side-Angle-Side), ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), or HL (Hypotenuse-Leg for right triangles).
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
What is the significance of the symbol '≅' in geometry?
Back
The symbol '≅' indicates that two geometric figures, such as triangles, are congruent, meaning they have the same shape and size.
Tags
CCSS.8.G.A.2
6.
FLASHCARD QUESTION
Front
If ∆ABC ≅ ∆DEF, what can we say about the sides of the triangles?
Back
If ∆ABC ≅ ∆DEF, then AB ≅ DE, BC ≅ EF, and AC ≅ DF. This means that the lengths of corresponding sides are equal.
Tags
CCSS.HSG.CO.B.7
7.
FLASHCARD QUESTION
Front
What is the Angle-Angle (AA) criterion for triangle similarity?
Back
The AA criterion states that if two angles of one triangle are equal to two angles of another triangle, then the two triangles are similar.
Tags
CCSS.HSG.SRT.A.2
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