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In the following figure, AF is the perpendicular bisector of BD, AD = 20, and DF = 16.  Find AB + BF.

 

 

A. 20


B. 72


C. 36


D. 16

 Feb 4, 2020

Best Answer 

 #1
avatar+266 
+3

Is the answer 36?

can't be that easy right?

This is how I did it:

A perpendicular bisector is the mid-line that cuts through a triangle.

If AD=20 then AB should also be 20 since they are identical.

DF=16 then BF should also equal to 16.

20+16=36

 Feb 4, 2020
edited by tomsun  Feb 4, 2020
 #1
avatar+266 
+3
Best Answer

Is the answer 36?

can't be that easy right?

This is how I did it:

A perpendicular bisector is the mid-line that cuts through a triangle.

If AD=20 then AB should also be 20 since they are identical.

DF=16 then BF should also equal to 16.

20+16=36

tomsun Feb 4, 2020
edited by tomsun  Feb 4, 2020

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