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# aspect ratio

The aspect ratio of a rectangular image display area is the ratio of the width of the rectangle to its height, expressed either as a ratio of coprime integers or a real number to 1. The two most commonly used aspect ratios are “fullscreen” (4:3 or 1.66:1) and “widescreen” (16:9 OR 2.35:1).

For example, a detail from Leonardo da Vinci’s Mona Lisa in a fullscreen aspect ration:

And in a widescreen aspect ratio:

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## Mathematics Subject Classification

51A05*no label found*00A06

*no label found*

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## Comments

## Sizing commands

I don't know how to size these images so they show up on the page.

## Re: Sizing commands

You use the attribute "scale = x" but you have to put it before the filename (this will seem backwards to anyone more familiar with HTML). Thanks to drini's "Graphics & Planetmath" in the Docs section.