Estimate River Width Calculator

The 25' ( 25 minutes ) must converted to degrees. To convert minutes to degrees divide it by 60. Hence use angle 56.416 degree

Tangent of ° (degree) =

River width

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Distance between A and C

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Angle is ° degree =

River width

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Distance between A and C

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Formula Recall:

Tangent of angle = opposite side of angle divided by the adjacent side of angle.

Angle = arcTan of opposite side divided by the adjacent side