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**Quadrilaterals Project**

1-4-13 Geometry D Block

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The Square A square has 4 congruent sides and all 4 angles are a right angle ( 90o) Diagonals congruent. Diagonals bisect each other. Diagonals perpendicular.

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**Rectangle All the angles are right angles.**

Opposite sides are congruent and parallel. Diagonals are congruent. Diagonals bisect each other

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**Rhombus 2 pair of congruent sides, opposite sides are parallel.**

Adjacent sides congruent. Opposite angles congruent. Diagonals bisect each other. Diagonals perpendicular.

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**Parallelogram Opposite sides parallel and congruent.**

Opposite angles congruent. Adjacent angles supplementary. Diagonals bisect each other.

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Trapezoid Only 1 pair of opposites sides are parallel .

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Isosceles trapezoid One pair of parallel sides and those parallel sides are not congruent and other pair of sides congruent, not parallel. Diagonals congruent.

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Conclusion In a quadrilaterals the sum of all angles are equal 360. some quadrilaterals each angle equal 90. some are not equal 90 but it’s still equal 360.

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