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Subtended Angle
Equation
tan(θ/2) = H/(2 D) | θ | plane angle D | distance H | height
Input values
distance | 10 meters height | 1 meter
Result
plane angle | 99.92 mrad (milliradians) = 5.725° (degrees) = 5 degrees 43 arcminutes 29.32 arcseconds
Schematic