Identify the statements that are both biconditional and true

Identify the statement(s) that are both biconditional and true. Two points are on the same line if and only if exactly one plane passes through them Three points lie in more than one plane if and only if the points are on the same line. When two points are on the same line, exactly one plane passes through them. Exactly one plane passes through three points if and only if the points are on the same line.

Solution

the statement one is biconditional and true also

Two points are on the same line if and only if exactly one plane passes through them.