# Projection of a Line

## Description

Illustration of a line projection. If perpendiculars be drawn from the extremities of a line, as AB, to another line, as HK, as shown in the figure, that portion of HK included between the foot of each perpendicular is called the projection of AB upon HK.

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## Source:

International Correspondence Schools *I.C.S. Reference Library Mathematics* (Scranton: International Textbook Company, 1905) Geometry & Trigonometry Pg. 71

Courtesy the private collection of Roy Winkelman