easy · LSAT Logical Reasoning

Which one of the following must be true given the statement above?

1. For any figure to count as a square, it must also qualify as a rectangle.
2. Any figure that is not a square is therefore not a rectangle.
3. The only figures that qualify as rectangles are squares.
4. Qualifying as a rectangle is enough to establish that a figure is a square.
5. Some rectangles cannot be squares because their sides differ in length.

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