Math, asked by prabb0igrelum, 1 year ago

sides of a triangle is in the ratio 13:14:15 . the perimeter is 84 m . find the area of the triangle

Answers

Answered by qais
0
Let the sides be 13x ,14x and 15x
so, 13x +14x +15x = 84
⇒42x = 84
⇒x =2
Hence,sides will be 26 m, 28 m and 30 m
semi perimeter,s = 84/2 = 42

area = √[s(s-a)(s-b)(s-c)]
        =√(42×16×14×12)
        =√112896
        = 336 m²
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