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Six consecutive points were indicated on a number line in this order: A, B, C, D, E, and F. Regardless of the location of these points, if only AD = CF and BD = DF, then the following equation is true (pick one letter):

 

A) AB = BC

B) BC = DE
C) BD = EF
D) AB = CD
E) CD =EF

 May 2, 2020
 #1
avatar+111329 
+1

AD = CF    (1)

BD = DF     

 

Using (1).....this must mean that

 

(AB + BD)  = (CD + DF)    (3)

 

Since BD = DF....then this implies that

 

(AB + BD)  =  (CD + BD)     subtract  BD  from both sides

 

AB   =   CD

 

 

cool cool cool 

 May 2, 2020

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