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Classify Quadrilaterals
13,552 ReadsA quadrilateral is a four- sided polygon with four angles.
A Quadrilateral has:
- Four sides.
- Four vertices
- The interior add upto 360 degrees.
Types of Quadrilateral
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.
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.
