Triangle Proofs (1B)

Front

What is always the first statement in the reason column of a proof?

Back

Given

Front

What is the statement for step 3 of the proof?

Back

∡AED≅∡BEC

Front

What is the reason for step 3 in a proof?

Back

Reflexive Property

Front

What is the statement for step 2 of the proof?

Back

HD=DN

Front

What is the statement for step 4 of the proof?

Back

MN ≌ ON

Front

What is the definition of a triangle?

Back

A polygon with three edges and three vertices.

Front

What is the Triangle Sum Theorem?

Back

The sum of the interior angles of a triangle is always 180 degrees.

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.

Front

What is the purpose of a proof in geometry?

Back

To provide a logical argument that demonstrates the truth of a geometric statement.

Front

What is the definition of the Reflexive Property?

Back

A property stating that any quantity is equal to itself.