Q. 74.2( 179 Votes )

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Answer :



It is given in the question that,


AB = 5 cm


BC = 13 cm


AC = 12 cm


We know that,


Area of triangle = × Base × Height


Area of = × 5 × 12


= × 60


= 30 cm2


Also,
Area of triangle =
× AD × BC


30 = × AD × 13


60 = AD × 13


AD =


= 4.6 cm


Area of ABC = 30 cm2


Length of AD = 4.6 cm

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