ZuleikaI788952 ZuleikaI788952
  • 26-10-2022
  • Mathematics
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Can help me solve this problem for topic application of trigonometry

Can help me solve this problem for topic application of trigonometry class=

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AncilZ62789 AncilZ62789
  • 26-10-2022

The sides are given of the triangle.

Apply the heron's formula, to find the area of triangle.

[tex]A=\sqrt[]{s(s-a)(s-b)(s-c)}[/tex][tex]s=\frac{21.6+16.4+12.8}{2}=25.4[/tex][tex]A=\sqrt[]{25.4\times3.8\times9\times12.9}=\sqrt[]{11205.972}=105.85sq\mathrm{}cm[/tex]

The area of triangle obtained is 105.85 sq.cm.

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