+0  
 
+2
353
2
avatar+282 

Confused

lizagame  Apr 1, 2017
 #1
avatar-7 
+1

i think a

orestis  Apr 1, 2017
edited by orestis  Apr 1, 2017
 #2
avatar+7024 
0

Given that AB = AC, BD = BD(bc it's just the same), and angle ABD = angle CBD

First B can be used.

C can be used because hypotenuse and one side is equal

D can be used because angle ADB = angle CDB = 90 deg

A still can be used because we can use the right angles and 2 pairs of equal sides to derive that the remaining pair of sides are equal......

 

This is a bad question......

MaxWong  Apr 1, 2017

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