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rectangle and square

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4 90 degree angles their sum is 360 degrees 

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4 90 degree angles their sum is 360 degrees 

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One side of parallel lines.

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One pair of opposite angles are equal

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Both pair of opposite sides are parallel

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Both pair of opposite sides are parallel

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What to do to prove a quadrilateral is a rectangle.

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What to do to prove a quadrilateral is a rectangle.

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Solve for the slopes of all four sides and show that both pairs of consecutive angles are perpendicular

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both pair of opposite sides are parallel

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both pair of opposite sides are parallel

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Opposite sides  congruent

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consecutive angles supplementary

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A square is a quadrilateral whose interior angles and side lengths are all equal.

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Any lower base angle is supplementary to any upper base angle.

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Any lower base angle is supplementary to any upper base angle.

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Diagonals form 2 congruent triangles

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perpendicular diagonals

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has four equal sides

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Property 1. Each of the interior angles of a square is .

Property 2. The diagonals of a square bisect each other.

Property 3. The opposite sides of a square are parallel.

Property 4. A square whose side length is  has area .

Property 5. A square whose side length is  has perimeter .

Property 6. A square whose side length is  has a diagonal of length .

Property 7. The diagonals of a square are equal

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diagonals bisect each other

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Rhombus clipart collection. Here are 10 cliparts. And similar cliparts - Rhombus clipart black and white, Rhyme Pairs Clipart.

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the longer diagonal cuts it into two congruent triangles

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the longer diagonal cuts it into two congruent triangles