## Parallelogram

### A parallelogram is a quadrilateral with opposite sides that are parallel to each other

A parallelogram is a quadrilateral with opposite sides that are parallel to each other. In other words, if you were to extend the sides of a parallelogram, they would never intersect.

Properties of a parallelogram include:

1. Opposite sides are equal in length: The two pairs of opposite sides in a parallelogram are congruent. This means that if you measure the length of one side, it will be equal to the length of the opposite side.

2. Opposite angles are equal in measure: The two pairs of opposite angles in a parallelogram are congruent. So if you measure the angle between one side and its adjacent side, it will be equal to the angle between the opposite side and its adjacent side.

3. Consecutive angles are supplementary: The consecutive angles (those that share a side) in a parallelogram add up to 180 degrees. This means that if you measure the angle between two adjacent sides, it will add up to 180 degrees with the angle between the other two adjacent sides.

4. Diagonals bisect each other: The diagonals of a parallelogram bisect each other, meaning they divide each other into two equal parts. The point where the diagonals intersect is called the midpoint of each diagonal.

Some common types of parallelograms include rectangles, squares, and rhombuses. Rectangles are parallelograms with right angles, squares are parallelograms with right angles and congruent sides, and rhombuses are parallelograms with congruent sides.

To solve problems involving parallelograms, you can use formulas for area and perimeter. The area of a parallelogram is given by the formula A = base x height, where the base is the length of any side and the height is the perpendicular distance between the base and its opposite side. The perimeter of a parallelogram is simply the sum of all its side lengths.

I hope this explanation helps! If you have any more questions or need further clarification, feel free to ask.

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