∆abc is such that ab=3 cm, bc=2 cm & ca=2.5cm. if ∆abc~∆def & ef=4 cm perimeter of ∆def is?
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∆abc is such that ab=3cm, bc=2cm, ca=2.5cm. if ∆abc~∆def and ef=4cm, then perimeter of ∆def is...
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