# Area of Parallelogram in Terms of Its Diagonals

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The area of a parallelogram (shown in blue) with sides and is . This Demonstration shows that double the area is , where and are the diagonals. So the area of a parallelogram can be expressed in terms of its diagonals and as well as its sides.

Contributed by: Izidor Hafner (January 2016)

Open content licensed under CC BY-NC-SA

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"Area of Parallelogram in Terms of Its Diagonals"

http://demonstrations.wolfram.com/AreaOfParallelogramInTermsOfItsDiagonals/

Wolfram Demonstrations Project

Published: January 15 2016