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Quadrilaterals

Quadrilaterals. Polygons with four sides. Types of Quadrilaterals. Square: Quadrilateral with four equal sides and four right angles (90 degrees). Indicates equal sides. Box indicates 90 0 angle. Types of Quadrilaterals.

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Quadrilaterals

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  1. Quadrilaterals Polygons with four sides

  2. Types of Quadrilaterals • Square: Quadrilateral with four equal sides and four right angles (90 degrees) Indicates equal sides Box indicates 900 angle

  3. Types of Quadrilaterals • Rectangle: Quadrilateral with two pairs of equal sides and four right angles (90 degrees) Indicates equal sides Box indicates 900 angle

  4. Types of Quadrilaterals • Parallelogram: Quadrilateral with opposite sides that are parallel and of equal length and opposite angles are equal Indicates equal sides

  5. Types of Quadrilaterals • Rhombus: Parallelogram with four equal sides and opposite angles equal Indicates equal sides

  6. Types of Quadrilaterals • Trapezoid: Quadrilateral with one pair of parallel sides Parallel sides never meet.

  7. Types of Quadrilaterals • Irregular shapes: Quadrilateral with no equal sides and no equal angles

  8. Name the Quadrilaterals 1 3 2 irregular rhombus rectangle 5 6 4 parallelogram trapezoid square

  9. Interior Angles • Interior angles: An interior angle (or internal angle) is an angle formed by two sides of a simple polygon that share an endpoint • Interior angles of a quadrilateral always equal 360 degrees

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