Geometric Proofs: Advanced Concepts and Techniques

What is the purpose of a two-column proof?

• To measure the angles in a geometric figure

• To compare different geometric shapes

• To show the steps and reasons for a mathematical argument

• To list all possible angles in a diagram

Tags

CCSS.8.G.A.5

What does the angle addition postulate state?

• The sum of the measures of two angles is always 90 degrees

• The sum of the measures of two angles is always 180 degrees

• The measure of an angle is equal to the measure of its supplementary angle

• The measure of an angle is equal to the sum of the measures of its parts

Tags

CCSS.4.MD.C.7

What does it mean for two angles to be supplementary?

• They are both right angles

• Their measures add up to 90 degrees

• They are both acute angles

• Their measures add up to 180 degrees

Tags

CCSS.7.G.B.5

In a two-column proof, what is typically the first statement?

• The final proof

• The definition of terms

• The given information

• The conclusion

What property states that an angle is equal to itself?

• Substitution Property

• Reflexive Property

• Symmetric Property

• Transitive Property

Tags

CCSS.HSG.SRT.B.5

What is the reasoning used when replacing one angle with another equal angle in a proof?

• Addition

• Subtraction

• Substitution

• Multiplication

Tags

CCSS.HSG.CO.C.10

What does it mean for two angles to be congruent?

• They add up to 180 degrees

• They are both right angles

• They are both acute angles

• They have the same measure

Tags

CCSS.8.G.A.2

What is the Right Angle Theorem?

• All right angles are equal to 90 degrees

• All right angles are congruent

• All right angles are supplementary

• All right angles are complementary

Tags

CCSS.4.G.A.1

What does the Congruent Complements Theorem state?

• If two angles are equal, they are complementary

• If two angles are supplementary to the same angle, they are congruent

• If two angles are complementary to the same angle, they are congruent

• If two angles are equal, they are supplementary

Tags

CCSS.HSG.SRT.B.5

What is the final step in a two-column proof?

• Listing all possible angles

• Stating the conclusion and its reason

• Providing the definition of terms

• Restating the given information

Tags

CCSS.HSG.SRT.B.5