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Fore Bearing in Whole Circle Bearing System Formula

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Fore Bearing is the bearing of a line in the direction of progress of the survey. Check FAQs

FB = (BB - (180 \cdot \frac{π}{180}))

FB - Fore Bearing?BB - Back Bearing?π - Archimedes' constant?

Fore Bearing in Whole Circle Bearing System Example

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Here is how the Fore Bearing in Whole Circle Bearing System equation looks like with Values.

Here is how the Fore Bearing in Whole Circle Bearing System equation looks like with Units.

Here is how the Fore Bearing in Whole Circle Bearing System equation looks like.

50.8584 = (54 - (180 \cdot \frac{3.1416}{180}))

50.8584rad = (54rad - (180 \cdot \frac{3.1416}{180}))

50.8584 = (54 - (180 \cdot \frac{3.1416}{180}))

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Fore Bearing in Whole Circle Bearing System Solution

Follow our step by step solution on how to calculate Fore Bearing in Whole Circle Bearing System?

FIRST Step Consider the formula

FB = (BB - (180 \cdot \frac{π}{180}))

Next Step Substitute values of Variables

∴

FB = (54rad - (180 \cdot \frac{π}{180}))

Next Step Substitute values of Constants

∴

FB = (54rad - (180 \cdot \frac{3.1416}{180}))

Next Step Prepare to Evaluate

∴

FB = (54 - (180 \cdot \frac{3.1416}{180}))

Next Step Evaluate

∴

FB = 50.8584073464102rad

LAST Step Rounding Answer

∴

FB = 50.8584rad

Fore Bearing in Whole Circle Bearing System Formula Elements

Variables

Constants

Fore Bearing

Fore Bearing is the bearing of a line in the direction of progress of the survey.

Symbol: FB

Measurement: AngleUnit: rad

Note: Value should be greater than 0.

Formulas to find Fore Bearing

Back Bearing

Back Bearing is the bearing of a line in the opposite direction of progress of the survey.

Symbol: BB

Measurement: AngleUnit: rad

Note: Value can be positive or negative.

Formulas to find Back Bearing

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other formulas in Compass Surveying category

Go Included Angle from Two Lines

θ = α - β

Go Included Angle when Bearings are Measured in Opposite Side of Common Meridian

θ, = β + α

Go Included Angle when Bearings are Measured in Same Side of Different Meridian

θ = (180 \cdot \frac{π}{180}) - (α + β)

Go True Bearing if Declination is in East

TB = MB + MD

How to Evaluate Fore Bearing in Whole Circle Bearing System?

Fore Bearing in Whole Circle Bearing System evaluator uses Fore Bearing = (Back Bearing-(180*pi/180)) to evaluate the Fore Bearing, The Fore Bearing in Whole Circle Bearing System formula is defined as the bearing of a line in the direction of the progress of the survey. Plus, sign is used if the fore bearing is less than 180°, and a minus sign if it is more than 180°. Fore Bearing is denoted by FB symbol.

How to evaluate Fore Bearing in Whole Circle Bearing System using this online evaluator? To use this online evaluator for Fore Bearing in Whole Circle Bearing System, enter Back Bearing (BB) and hit the calculate button.

FAQs on Fore Bearing in Whole Circle Bearing System

What is the formula to find Fore Bearing in Whole Circle Bearing System?

The formula of Fore Bearing in Whole Circle Bearing System is expressed as Fore Bearing = (Back Bearing-(180*pi/180)). Here is an example- 50.85841 = (54-(180*pi/180)).

How to calculate Fore Bearing in Whole Circle Bearing System?

With Back Bearing (BB) we can find Fore Bearing in Whole Circle Bearing System using the formula - Fore Bearing = (Back Bearing-(180*pi/180)). This formula also uses Archimedes' constant .

Can the Fore Bearing in Whole Circle Bearing System be negative?

No, the Fore Bearing in Whole Circle Bearing System, measured in Angle cannot be negative.

Which unit is used to measure Fore Bearing in Whole Circle Bearing System?

Fore Bearing in Whole Circle Bearing System is usually measured using the Radian[rad] for Angle. Degree[rad], Minute[rad], Second[rad] are the few other units in which Fore Bearing in Whole Circle Bearing System can be measured.

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