The two aspect ratios (shapes) for video and computer screens are 4:3 (4 wide by 3 high), sometimes called video format, and widescreen, which is usually 16:9 (16 wide by 9 high).
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Aspect Ratios
The two aspect ratios (shapes) for video and computer screens are 4:3 (4 wide by 3 high), sometimes called video format, and widescreen, which is usually 16:9 (16 wide by 9 high).