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Classify Quadrilaterals

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A quadrilateral is a four- sided polygon with four angles.

A Quadrilateral has:

  • Four sides.
  • Four vertices
  • The interior add upto 360 degrees.

Classi 1

Types of Quadrilateral

The five most common types of quadrilaterals are:

Classi 2

Rectangle

A quadrilateral with four 90-degree angles. Also opposite sides are parallel and of equal length.

Classi 3

Parallelogram

A quadrilateral with opposite sides parallel. Also opposite angles are equal.

Classi 4

Square

A quadrilateral with four equal sides and four 90 degree angles. Also opposite sides are parallel.

Classi 5

Rhombus

A parallelogram with four equal sides. Also opposite sides are parallel and opposite angles are equal.

Classi 6

Trapezoid

A quadrilateral that has exactly two sides parallel.

Classi 7

Kite

It has two pairs of sides. Each pair is made up of adjacent sides that are equal in length. The angles are equal where the pairs meet.

Classi 8

Summary
  • A quadrilateral is a four- sided polygon with four angles.
  • A Quadrilateral has:
    • Four sides.
    • Four vertices
    • The interior add upto 360 degrees.
  • The five most common types of quadrilaterals are:
    • Rectangle: A quadrilateral with four 90-degree angles. Also opposite sides are parallel and of equal length.
    • Parallelogram: A quadrilateral with opposite sides parallel. also opposite angles are equal.
    • Square: A quadrilateral with four equal sides and four 90 degree angles. Also opposite sides are parallel.
    • Rhombus: A parallelogram with four equal sides. Also opposite sides are parallel and opposite angles are equal.
    • Trapezoid: A quadrilateral that has exactly two sides parallel.
    • Kite: It has two pairs of sides. Each pair is made up of adjacent sides that are equal in length. The angles are equal where the pairs meet.

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