How To: Use a formula to find the area of a parallelogram

Use a formula to find the area of a parallelogram

This video shows us how to use a formula to find the area of a parallelogram. The formula for finding the area of parallelogram is the same as finding the area of rectangle or a square which is equal to length time's breadth. But the parallelogram looks a bit different and the parallelogram is basically a rectangle but it is not at right angles. If you draw two altitudes then it is a rectangle with two triangles and if you cut one of the triangles and paste it next to another triangle then we get the shape of a rectangle. Here it has the same area but the figure is little altered to make it look different. And if we have a base of about 5 inches and a height of 3 inches and now multiplying base times height i.e., 5 times 3 which is equal to 15 square inches and we square the units as we are talking about area. So even though the parallelogram is altered in shape to form a rectangle, we end up getting the same area. With this it's done.

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