Ratio of the vertical distance to the horizontal distance

Gradient

Inclination

Inclination and Gradient

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An angle​ between the inclined plane and the horizontal plane

Inclination and Gradient

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Angles of Elevation and Depression

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Angles of Elevation and Depression

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Bearings

​Bearing is a way of specifying a direction.

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1. True Bearing

2. Compass Bearing​

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True Bearing

It describes a direction using an angle​ (from 0° to 360°) measured in a clockwise direction from north.

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Note that the integral part of the true bearing must be expressed in 3 digits.​

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Compass Bearing

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Compass Bearing

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