A square unit is the basic unit of measurement of area. To measure an area, find out how many of these go into it.

The unit square fits into the rectangle shown here 15 times, so its area is 15. How can you find the area of any rectangle? In the applet below, the dimensions and area of a rectangle are given. How do you use the dimensions to find the area?

Area of a Rectangle = Base × Height

Use what you know about the area of a rectangle to find the Area of a Parallelogram.