In a triangle ABC D and e are the midpoints of Ab and ac respectively and d is equal to 5.6 cm find the length of BC.
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given ∆ABC in which D and E are the mid pts.of side ab and bc
to find length of BC
construction join DE
solution DE||BC & DE = 1/2BC(by mid point theorem)
DE=5.6
DE=1/2BC
BC=2DE
BC=2(5.6)
BC=11.6cm answe
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