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Q : 11 In \small \Delta ABC and \small \Delta DEF, \small AB=DE,AB\parallel DE,BC=EF and\small BC\parallel EF.  Vertices A, B and C are joined to vertices D, E and F respectively (see Fig. \small 8.22). Show that △ABC ≅ △DEF.

  

                
 

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 In \small \Delta ABC and \small \Delta DEF,

 AB=DE                    (Given )

 BC=EF                    (Given )

 AC=DF                    ( proved in (v) part)

 \small \Delta ABC\cong \Delta DEF             (By SSS rule)

    

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seema garhwal

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