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In the adjoining figure, AB || CD || EF. If AC = 5.4, CE = 9, BD = 7.5, then find DF.

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In the adjoining figure, AB || CD || EF. If AC = 5.4, CE = 9, BD = 7.5, then find DF.

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AC = 5.4, CE = 9, BD = 7.5

AB || CD || EF

\(\frac {AC}{CE} = \frac{BD}{DF}\)

\(\frac{5.4}9= \frac{7.5}{DF}\)

\(DF = \frac{7.5 \times 9}{5.4}\)

\(= 12.5\)

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AB || CD || EF       [Given]

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