Introducing Geometric Proofs

Front

What can you conclude if ∠1 and ∠2 are supplementary?

Back

Front

What do we call the property that states a segment is congruent to itself?

Back

Reflexive Property.

Front

What is a statement that is accepted as true without proof?

Back

Postulate.

Front

What can you conclude about vertical angles according to the vertical angles theorem?

Back

Front

What property is illustrated by the statement: If g = h, then h = g?

Back

Symmetric Property of Equality.

Front

What is the definition of supplementary angles?

Back

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the definition of congruent angles?

Back

Angles that have the same measure.

Front

What is the definition of a theorem?

Back

A statement that has been proven based on previously established statements.

Front

What is the definition of a linear pair?

Back

A pair of adjacent angles that are supplementary.