Parallelogram - Class 8

# Parallelogram - Class 8 Notes - Class 8

## Document Description: Parallelogram - Class 8 for Class 8 2022 is part of Class 8 preparation. The notes and questions for Parallelogram - Class 8 have been prepared according to the Class 8 exam syllabus. Information about Parallelogram - Class 8 covers topics like and Parallelogram - Class 8 Example, for Class 8 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Parallelogram - Class 8.

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Needed a Document for parellogram?
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A quadrilateral is a closed figure which has four sides, four angles and four vertices. There are different types of quadrilaterals such as Parallelogram, Rectangle, Square, Rhombus, Trapezium and Kite.

A parallelogram is a quadrilateral in which
•  opposite sides are parallel and equal,
•  opposite angles are equal,
•  the diagonals bisect each other,
•  each diagonal divides it into two congruent triangles,
•  adjacent angles are supplementary.

A square is a parallelogram in which
•  all the sides are equal,
•  each angle measures 90°,
•  diagonals are equal and bisect at right angles.

A rectangle is a parallelogram in which
•  diagonals are equal and bisect each other,
•  each angle measures 90°.

A rhombus is a parallelogram in which
•  all four sides are equal,
•  diagonals bisect each other at right angles. A diagonal of a parallelogram divides it into two congruent triangles. If ABCD is a parallelogram and AC is a diagonal, then ΔABC ≅ ΔCDA.

If each pair of opposite sides is equal in a quadrilateral, then it is a parallelogram. In a Quadrilateral ABCD, If AB = CD and BC = AD then, it is a parallelogram.

If the diagonals of a quadrilateral bisect each other, then it is a parallelogram. In a Quadrilateral ABCD in which diagonals bisect each other then ABCD is a parallelogram.

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