<P> In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord . It is equal to the square of the wingspan divided by the wing area . Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing has a low aspect ratio . </P> <P> Aspect ratio and other features of the planform are often used to predict the aerodynamic efficiency of a wing because the lift - to - drag ratio increases with aspect ratio, improving fuel economy in aircraft . </P>

How to find the aspect ratio of a wing
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