If a triangle ABC,DE is parallel to BC and D is the midpoint of side AB . find AB and BC if DE= 6 cm and EC=5 cm

Question

If a triangle ABC,DE is parallel to BC and D is the midpoint of side AB . find AB and BC if DE= 6 cm and EC=5 cm

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Mia 2 weeks 2021-09-11T04:30:25+00:00 2 Answers 0 views 0

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    0
    2021-09-11T04:31:25+00:00

    Answer:

    side AB =10 cm ;side BC =12

    0
    2021-09-11T04:31:29+00:00

    Answer:

    Here we know that, BC parallel to DE,

    D is the midpoint of AB,

    Therefore, AD = DB,

    AE = EC = 5 cm.

    Now we have to find out BC?

    AD/DE = AB/BC

    AD/6cm = 2AD/ BC (AD+DB=AB, given),

    1/6 = 2/BC

    BC= 2×6 = 12cm.

    Ans:- AE =5cm , and BC=12 cm.

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