Introduction to Proof Assignment and
Quiz Questions with Verified Answers
Which statement is true about the diagram? - ANSWERS∠BEA ≅ ∠BEC
Segment AB is congruent to segment AB.
This statement shows the _____ property - ANSWERSreflexive
Given that RT ≅ WX, which statement must be true? - ANSWERSRT + TW = WX + TW
A two-column proof - ANSWERScontains a table with a logical series of statements and
reasons that reach a conclusion.
Given that D is the midpoint of AB and K is the midpoint of BC, which statement must
be true? - ANSWERSAK + BK = AC
What is the missing justification? - ANSWERStransitive property
Given that ∠CEA is a right angle and EB bisects ∠CEA, which statement must be true?
- ANSWERSm∠CEB = 45°
Given that ∠ABC ≅ ∠DBE, which statement must be true? - ANSWERS∠ABD ≅ ∠CBE
Which statement is true about the diagram? - ANSWERSK is the midpoint of AB.
Given that BA bisects ∠DBC, which statement must be true? - ANSWERSm∠ABD =
m∠ABC
Name the three different types of proofs you saw in this lesson. Give a description of
each. - ANSWERSOne type of proof is a two-column proof. It contains statements and
reasons in columns. Another type is a paragraph proof, in which statements and
reasons are written in words. A third type is a flowchart proof, which uses a diagram to
show the steps of a proof.
Which property is shown?
If m∠ABC = m∠CBD, then m∠CBD = m∠ABC - ANSWERSsymmetric property
EB bisects ∠AEC.
