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Download now on Google PlayA parallelogram is a flat shape quadrilateral with opposite sides parallel and equal in length.

Where \(|\) and \(||\) denotes equal sides.

**Properties of parallelogram:**

- Opposite sides are parallel.
- Opposite sides are equal in length.
- Opposite angles are equal. (Angles \(A\) and \(D\) are the same, and angles \(B\) and \(C\) are the same.)
- Adjacent angles are supplementary. Angles \(A\) and \(B\) or \(C\) and \(D\) add up to \(180°\).

Important!

A parallelogram can be a square, rectangle, and rhombus with some conditions.

**For example**, A parallelogram became a rectangle where all angles are right angles.