http://www.ck12.org Chapter 10. Perimeter and Area
10.2 Area of a Parallelogram
Here you’ll learn how to find the area of a parallelogram.
What if you wanted to find the area of a parallelogram? How does the area of a parallelogram relate to the area of a
rectangle? After completing this Concept, you’ll be able to solve problems like these.
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Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/52494CK-12 Foundation: Chapter10AreaofaParallelogramA
Learn more about the area of parallelograms by watching the video at this link.
Guidance
Recall that a parallelogram is a quadrilateral whose opposite sides are parallel.
To find the area of a parallelogram, make it into a rectangle.
From this, we see that the area of a parallelogram is the same as the area of a rectangle. Thearea of a parallelogram
isA=bh. Be careful! The height of a parallelogram is always perpendicular to the base. This means that the sides
arenotthe height.