Online Course Discussion Forum

Definition help

 
 
Picture of BoweN Na
Definition help
by BoweN Na - Friday, 15 September 2023, 7:55 PM
 

what does [ABCDEFG] mean? Does it mean area of ABCDEFG or perimeter of ABCDEFG?

 
Picture of John Lensmire
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!