Introduction to Proof Answers

segment addition propertyangle addition postulatereflexive propertytransitive property

Which statement is true about the diagram?

If m∠A = m∠B and m∠A + m∠C = m∠D, thenm∠B + m∠C = m∠D.

4 lines extend from point B. A line extends straight up from B to point A. Another line extends up and to the right to point C. Another line extends slight up and to the right to point D. The other line extends slightly down and to the right to point E.

Segment AB is congruent to segment AB.

Given that D is the midpoint of AB and K is the midpoint of BC, which statement must be true?

The last line of a proof represents

A two-column proof

Which are correct statements regarding proofs? Select three options.In a paragraph proof, statements and their justifications are written in sentences in a logical order. A two-column proof consists of a list statements and the reasons the statements are true. A flowchart proof gives a visual representation of the sequence of steps without justifications.A flowchart proof is a visual way of describing the statements and reasons for a proof.A two-column proof lists only the given information and what is to be proven.