A) Yes, \[\Delta ABC\cong \Delta DCE\]
B) No, they are not congruent
C) Yes. \[\Delta DCE\cong \Delta CAB\]
D) Yes, \[\Delta DEC\cong \Delta CAB\]
Correct Answer: D
Solution :
In the given figure, \[MD=MC=EC=EB=AB\] \[\Rightarrow \]\[DC=MD+MC=CE+EB=CB\]...(1) Also, \[AB=EC\] ...(2) In \[\Delta DEC\]and \[\Delta CAB\] \[DE=CA\] (given) \[DC=CB\] (from(1)) \[EC=AB\] (from (2)) \[\therefore \] \[\Delta DEC\cong \Delta CAB\](By SSS)You need to login to perform this action.
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