# Sides of a Parallelogram

How to solve the sides of a parallelogram problems: property, example, and its solution.

## Property

The parallel sides of a parallelogram are congruent.

(= Same colored sides are congruent.)

## Example

The blue sides are parallel sides in a parallelogram.

So the blue sides are congruent.

2*x* + 1 = 9

The red sides are parallel sides in a parallelogram.

So the red sides are congruent.*y* + 4 = 6