The fomula to use is
Area = sqrt[p(p-a)(p-b)(p-c)]
where p is the perimeter.
Whether you use logarithms or not to do the calculation is up to you.
Your answer is correct.
1. Finde the area of the following tringles: (use Logarithms)
A) a=12.7, b=21.5, c=28.6.
i'm not of the answer i got.
i got 127.6
if you got something different can you show me how you did while using logarithms.
2 answers
In my previous answer, "p" is HALF the perimeter, 31.4.
For additional steps, see
http://askville.amazon.com/Find-area-triangles-logarithms-a%3D12-b%3D21-c%3D28/AnswerViewer.do?requestId=1256937
For additional steps, see
http://askville.amazon.com/Find-area-triangles-logarithms-a%3D12-b%3D21-c%3D28/AnswerViewer.do?requestId=1256937