Online Course Discussion Forum

Definition help

 
 
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Re: Definition help
by John Lensmire - Monday, 18 September 2023, 11:19 AM
 

Hello! The square brackets mean area in our online classes and textbooks, so $[ABC]$ would mean the area of triangle ABC, $[PQRS}$ the area of quadrilateral PQRS, etc.

Hope this helps!