Parallelogram Proofs
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a parallelogram?
Back
A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.
Tags
CCSS.3.G.A.1
2.
FLASHCARD QUESTION
Front
What are the properties of a parallelogram?
Back
1. Opposite sides are congruent. 2. Opposite angles are congruent. 3. The diagonals bisect each other.
Tags
CCSS.HSG.CO.C.11
3.
FLASHCARD QUESTION
Front
What does CPCTC stand for?
Back
CPCTC stands for 'Corresponding Parts of Congruent Triangles are Congruent.' It is used in proofs involving congruent triangles.
Tags
CCSS.HSG.SRT.B.5
4.
FLASHCARD QUESTION
Front
What is the Reflexive Property?
Back
5.
FLASHCARD QUESTION
Front
What are alternate interior angles?
Back
Alternate interior angles are pairs of angles that are on opposite sides of a transversal and inside two parallel lines. They are congruent.
Tags
CCSS.8.G.A.5
6.
FLASHCARD QUESTION
Front
How do you prove that two triangles are congruent?
Back
You can prove two triangles are congruent using methods such as SSS (Side-Side-Side), SAS (Side-Angle-Side), or ASA (Angle-Side-Angle).
Tags
CCSS.HSG.SRT.B.5
7.
FLASHCARD QUESTION
Front
What is the significance of vertical angles in geometry?
Back
Vertical angles are the angles opposite each other when two lines intersect. They are always congruent.
Tags
CCSS.7.G.B.5
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