Question

given: ab = bc
prove: b is the midpoint of ac.
ab = bc given
ab ≅ bc def of ≅ segs.
b is the midpoint of ac def of midpt.
what is the format of this proof?
one - paragraph proof
two - column proof
flowchart proof
two - paragraph proof

Explanation:

The proof is presented with statements on the left - hand side and their corresponding reasons on the right - hand side, which is characteristic of a two - column proof.

Answer:

two - column proof