KVPY SA Exam 19-Nov-2017 Question Paper

Question : 11 of 80

Marks: +1, -0

Consider four triangles having sides (5,12,9), (5,12,11), (5,12,13) and (5,12,15). Among these, the triangle having maximum area has sides

Solution:

Clearly area of Δ having sides (5, 12, 13)
is greatest (use Δ =

√{s(s-a)(s-b)(s-c)}

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