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  3. now that you have this formula use it to calculate...

Question: now that you have this formula use it to calculate...

Question details
  1. Now that you have this formula, use it to calculate the visual angle subtended by the following objects: (1) Your thumb (width) at arm’s length. (2) The width of your hand at arm’s length. (3) Someone’s face when they’re about 10 ft. away. (4) Someone’s face when they’re about 100 yards away. Show your calculations, including the values you entered into your formula.

    tan(visual-angle/2) = (object width)/(2*distance)

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