The statement is not reversible.
The true biconditional would be: "Planes are parallel if and only if they do not intersect."
Test the following statement to see if it is reversible. If so, choose the true biconditional. Parallel planes are planes that do not intersect. Planes are parallel if and only if they do not intersect. Planes that do not intersect are parallel planes. This statement is not reversible. Planes that intersect are not parallel planes
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