Types of Quadrilaterals (4-sided figures)

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Types of Quadrilaterals(4-sided figures)
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Parallelograms
A four sided figure with both pairs of opposite
sides parallel
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Some Special Properties of Parallelograms

• Opposite sides are congruent
• Diagonals bisect each other
• Both pairs of opposite sides are parallel

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Solve for x.
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Solve for x.
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Rectangle
A parallelogram with 4 right angles
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Some Special Properties of Rectangles

• All the properties of a parallelogram
• Diagonals are congruent
• 4 right angles

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Rhombus
A parallelogram with 4 congruent sides
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Some Special Properties of Rhombus

• All the properties of a parallelogram
• Diagonals are perpendicular
• 4 congruent sides

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Solve for x in this rhombus.
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Rhombus.1. VY 2. m?ZVY
Z
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Square
A parallelogram with 4 congruent sides 4 right
angles
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Some Special Properties of Square

• All the properties of a parallelogram, rectangle,
  rhombus

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Solve for x and y in this square.
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Square1. EJ 2. HF 4. m?EJF5. m?HGF
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Kite
A quadrilateral with 2 pairs of consecutive
congruent sides, but opposites sides are NOT
parallel
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Some Special Properties of Kite

• Diagonals are perpendicular

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Trapezoid
A quadrilateral with 1 pair of parallel sides
called bases
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Trapezoids
Have only one pair of opposite sides that are
parallel.
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Isosceles Trapezoid
A quadrilateral with 1 pair of parallel sides
called bases and non-parallel sides are congruent
(legs)
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Some Special Properties of Isosceles Trapezoid

• Diagonals are congruent

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Classifying Trianglesby Sides

• Equilateral 3 congruent sides
• Isosceles 2 congruent sides
• Scalene No sides congruent