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  1. In the given figure, DE || BC if AD = 1.7 cm, AB = 6.8 cm and AC = 9 cm, find AE.


    1. 2.25cm
    2. 4.5cm
    3. 1.25cm
    4. 2.5cm
    5. None of these
Correct Option: A

Since DE || BC,

∴AB = AC
ADAE

∴68 = 9
17AE

or , AE = 9 = 2.25cm
4


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