###### Asked in Math and ArithmeticEngineeringGeometryHome Construction

Math and Arithmetic

Engineering

Geometry

Home Construction

# What is a object line?

## Answer

###### Wiki User

###### November 29, 2012 2:31PM

a line used to mark the outside of an object

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###### Asked in Definitions

### What is the mathematical definition of angle of depression?

Angle of depression is defined as the angle between the
horizontal line and the line joining the observer's line of sight
to an object below the observer's eye sight. You can be on top of a
building and an object is situated on the ground, and the angle
between your horizontal line and the object is the angle of
depression.

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