Geometry

Question Analysis
This question involves determining whether a given statement is a valid biconditional statement.
The main focus is on verifying the logical validity of both parts of the statement.

Key Concept Explanation:
A biconditional statement requires both the original statement and its converse to be true.

Step-by-Step Solution:
The statement is: "A shape is a square if and only if it has four equal sides and four right angles."
Break it into two parts:
If a shape is a square, then it has four equal sides and four right angles. (True)
If a shape has four eq...