Angle Subtended

The angle formed between the bottom and top of an object at a distance from the observer.

The angel subtended varies as the arctangent of the ratio of the height of an object to its distance from the observer.

Formula

Tan[QuantityVariable["θ", "Angle"]/2] == QuantityVariable["H", "Height"]/(2*QuantityVariable["D", "Distance"])

Get the resource:

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Get the formula:

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Use some values:

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