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The aspect ratio of a television is the ratio of its width to its height.
The most common aspect ratio today is 16 : 9, which means that if
the width is divided into 16 equal parts, the height of the TV screen
or picture should be 9 parts.
Find the ratio of the width of a mobile phone to its height. Compare
the length of your tv screen to the length of a projector screen.
You will learn about:
Simplifying ratios
Dividing quantities using ratio
Proportion
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UNIT 13 I Ratio, Rate and Proportion
