Question

A. two column proof

b. two-paragraph proof
c. flowchart proof
d. one-paragraph proof

Answer 1

a. two column proof

Explanation:

This is a two column proof, for 2 columns are given to you.

One column is the "Statements" column, which lists everything in mathematical terms.

The other column is the "Reasons" column, which lists everything by definition (either Theorem, Postulate, or Definition).

~