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If triangle ABC is similar to triangleDEF such that 2AB=DE and BC=8cm,then EF is equal to.
As, triangle ABC and DEF are similar ..... and DE = 2AB and BC = 8 cm .........

then according to sides theorem :-

AB / DE = BC / EF

----> AB / 2AB = BC / EF [as DE = 2AB]

----> 1 / 2 = BC / EF

----> EF = 2BC

----> EF = 2 * 8 = 16 cm


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