Definition of Quadrilateral

A quadrilateral is a four-sided polygon.

More About Quadrilateral

  • Parallelogram: A quadrilateral with two pairs of opposite sides parallel
  • Rhombus: A parallelogram with four congruent sides.
  • Rectangle: A parallelogram with four right angles.

  • Square: A parallelogram with four congruent sides and four right angles.
  • Trapezoid: A quadrilateral with only one pair of parallel sides.

Video Examples: Quadrilateral Properties

Examples of Quadrilateral

Solved Example on Quadrilateral

Ques: A quadrilateral with vertices (0, 0), (5, 0), (8, 4) and (3, 4) forms a ________.

    A. Rhombus
    B. Square
    C. Rectangle
    D. Trapezoid
    Correct Answer: A


    Step 1: Let (0, 0), (5, 0), (8, 4), and (3, 4) be A, B, C, and D respectively.

    Step 9: The lengths of the sides AB, BC, CD, and DA are equal and the lengths of the diagonals AC and BD are not equal in quadrilateral ABCD.
    Step 10: So, ABCD is a rhombus.

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