# Parallelogram height

The height of a parallelogram is a perpendicular lowered from any point on one side of the parallelogram to a straight line containing the opposite side. The height of the parallelogram is also called the length of this perpendicular. To find its height, multiply the sine of the angle by the side.

**Calculate the height of the parallelogram knowing the length of the side and the angle**

**The base of the parallelogram a**

**Parallelogram angle α°**