Geometry

Question Analysis
This question involves identifying a biconditional statement.
The main focus is on understanding the structure of "if and only if" statements.

Key Concept Explanation:
A biconditional statement combines two conditional statements into one, using "if and only if."
It means both the original statement and its converse are true.

Step-by-Step Solution:
Look for the phrase "if and only if" in the options.
Option B uses "if and only if," making it a biconditional statement.

Option Analysis:
A) A one-way conditional statement.
B) Correct, as it uses "if and only if."
C) ...