A) 5 cm
B) 4.5 cm
C) 5.5 cm
D) Can't be determined
Correct Answer: A
Solution :
In\[\Delta \Alpha \Beta C\]and\[\Delta DEF\] AB = DE (given) \[\angle A=\angle B={{90}^{o}}\] AC =DF (given) \[\Delta \Alpha \Beta C\cong \Delta DEF\] (SAS congruency) \[\therefore \]\[EF=BC=5\,cm\] (By C.P.C.T.)You need to login to perform this action.
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