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Find the area of scalene triangle whose sides are 7 cm 9 cm and 10 cm respectively |
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Answer» 2 cm Explanation: LENGTH of sides are 7 cm, 8 cm and 9 cm semi-perimeter = 2 (7+8+9)
cm S=12cm using Heuron's FORMULA, Area of triangle = S(S−a)(S−b)(S−c)
,where a,b,c, are sides of triangle = 12×5×4×3
= 4×4×3×3×5
=12 5
cm 2 I hope that answers is helpful |
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