Segment Proofs

completing proofs

Seed School of Miami

Multiple Choice

What is the angle relationship of angles RSV and WVS

• Given

• Corresponding angles

• Alternative interior angles

• Alternative exterior angles

Multiple Choice

What is the Reason for the first statement?

• Substitution

• Alternative exterior angles

• Given

• Transitive property

Multiple Select

What is the Reason for the second statement?

Make sure to copy the picture and label the statement.

• Alternative exterior angles

• Vertical angles

• Corresponding angles

• Transitive property of congruency

Open Ended

What is the reason for the 3rd statement?

type your answer

Multiple Choice

What is the reason for the 4th statement?

Remember, we are trying to prove that two lines are parallel to each other.

• Corresponding angles

• Transitive property of congruency

• Converse of corresponding angles

• Converse of alternative interior angles

Fill in the Blanks

What are the reasons for statement #1 and #2

Multiple Choice

What is the reason for statement #3

• Angles forming a linear pair sum to 180 degrees

• Definition of supplementary angles

• two angles equal 180 degrees

• All angles of a triangle equal 180 degrees

Multiple Choice

What is the reason for the last statement?

• Transitive property of congruency

• Substitution

• Transitive property of equality

• Converse of corresponding angles

Open Ended

Explanation: what is the best way to complete a proof ?

Multiple Choice

On this type of question, what is the best way to begin completing the proof ?

• Look for congruent angles

• Identify the measure of each angle

• Extend the lines

• Alternative exterior angles

Open Ended

What are reasons for the first two statements?

Multiple Choice

what is the reason for statement #3

• Given

• corresponding angles

• Alternative interior angles

• given

Multiple Choice

Which reason explains statement #5

• Given 

• Transitive property 

• substitution 

• alternative interior angle