Public Speaking Course:
Screen Size Approximation Chart
My public speaking course teaches that you must know the details, large and small for your presentation. This includes a basic knowledge about audio-visual performance and limitations. Here is a chart that is a rough guide to use when someone asks you how large of a screen you need.
3-5 people 21 inches diagonal (53.34 cm)
Keep this guide from my public speaking course with you to use as needed.
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