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[" Q.S."Delta ABC" is such that "AB=3em,...

[" Q.S."Delta ABC" is such that "AB=3em,BC=2em" and "CA=2.5cm" .If "Delta DEF-Delta ABC" and "],[EF=4cm" then what is the perimeter "Delta DEF" ? "],[[" (a) "15cm," (b) "11cm," (c) "7,5om," (d) "9cm]]

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