Question

Which statement is true?

All squares are rectangles.
All quadrilaterals are rectangles.
All parallelograms are rectangles.
All rectangles are squares.

Answer 1

All squares are rectangles, as squares are a subset. 2 is false because rectangles are a subset. 3 is false because not all parallelograms have right angles. 4 is false (look at first sentence in answer.)

Answer 2

The correct answer is: [A]: "All squares are rectangles."
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