U2 Review 1: Proofs about Triangles and Quadrilaterals

Front

What is a parallelogram?

Back

A parallelogram is a quadrilateral with both pairs of opposite sides parallel.

Front

What are the properties of a parallelogram?

Back

1. Opposite sides are congruent. 2. Opposite angles are congruent. 3. Diagonals bisect each other.

Front

Which property states that the diagonals of a parallelogram bisect each other?

Back

The property of a parallelogram.

Front

What are vertical angles?

Back

Angles that are opposite of each other when two lines intersect.

Front

What is the Reflexive Property?

Back

Front

What is the definition of congruent angles?

Back

Angles that have the same measure.

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180°.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90°.

Front

What is the relationship between the opposite angles of a parallelogram?

Back

The opposite angles of a parallelogram are congruent.

Front

What does CPCTC stand for?

Back

Corresponding Parts of Congruent Triangles are Congruent.