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avatar+4116 

Help please

 Oct 19, 2018
 #1
avatar+100588 
+1

1.  angle T  =  180  - 60 - 80  =  40

     angle  E  =  180 - 60 - 40  = 80

 

So  

angle T  = angle D

angle S  = angle E

angle R  = angle F

And RS   =  FE   =  4

So segment DF  is congruent to segment RT

So.....

 

yes, by ASA, FD

 

 

cool cool cool

 Oct 19, 2018
 #2
avatar+100588 
+1

2.  The triangles are not congruent.......no angles match

 

cool cool cool

 Oct 19, 2018

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