1. 

   math_celebrity Administrator Staff Member

   When a circle's radius triples, what happens to its area?
   
   A = πr^2
   
   When r = 3r, then we have:
   a = π(3r)^2
   A = 9(πr^2)
   
   This means Area increases by 9x
   
   

    

   Last edited: Feb 20, 2023

   math_celebrity, Feb 19, 2023

   #1
   
   

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