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Every quadrilateral is a rectangle. ​True/False Every square is a quadrilateral. ​True/False Every rectangle with four congruent sides is a square. ​True/False Every rhombus is a rectangle. ​True/False
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Answer

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Step 1:
I'll solve this problem step by step, addressing each statement carefully:

Step 2:
: "Every quadrilateral is a rectangle" - False

- Definition: A quadrilateral is any four-sided polygon - A rectangle is a specific type of quadrilateral with four right angles - Not all quadrilaterals have right angles (e.g., trapezoids, kites) - Therefore, this statement is false

Step 3:
: "Every square is a quadrilateral" - True

- Definition: A square is a four-sided polygon with:

Step 4:

Four equal sides

Step 5:

Four right angles - By definition, a square has four sides - Therefore, every square is indeed a quadrilateral

Step 6:
: "Every rectangle with four congruent sides is a square" - True

- A rectangle with four congruent sides meets the definition of a square - Conditions for a square:

Step 7:

Four equal sides ✓

Step 8:

Four right angles ✓ - Therefore, this statement is true

Step 9:
: "Every rhombus is a rectangle" - False

- A rhombus has four equal sides but not necessarily right angles - A rectangle requires right angles - Therefore, not every rhombus is a rectangle

Final Answer

1. False 2. True 3. True 4. False