find the area of tringle whose sides are 13 cm ,14 cm and 15 cm


tell the answer​

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1. Answer:

   By using herons formula

   we gets =13+14+15/2

   S=21cm

   Now area=√s(s-a)(s-b)(s-c)

   √21(21-13)(21-14)(21-15)

   √21(8)(7)(6)

   √21(336)

   √7056

   84cm² is the area

   I hope this is help u mark me as brsinlist

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