Question

If sides of a triangle are 8 cm, 15 cm and 17 cm
respectively. Find its area.​

Answer 1

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Answer 2

According to HERON'S FORMULA,

aera of triangle = √s(s-a)(s-b)(s-c)

where, s = a+b+c/2

and a,b,c are the sides of the triangle

s = (8+15+17)/2

= 20

So, area = √20(20-8)(20-15)(20-17)

= √20×12×5×3

= √2×2×5×2×2×3×5×3

= 2×2×3×5

= 60 cm²

HOPE THIS HELPS !!!