All squares have four equal sides. This shape is a square. Which conclusion must be true?
Answer and explanation
Correct answer: B. This shape has four equal sides
- Step 1: The first statement gives a property of every one of the squares. Step 2. This shape is a square, so it has that property. Answer: This shape has four equal sides. Why not the others: Everything with this property is among the squares is what you get if you reverse the statement. This shape is not a square is what you get if you deny the second statement. No squares have four equal sides is what you get if you deny the first statement.
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