chynastuart1234
chynastuart1234 chynastuart1234
  • 03-12-2016
  • Mathematics
contestada

What is the area of A is 7.7ft and B is 5.2ft and C is 9.29 and this is a triangle

So basically I want to know the answer

Respuesta :

RonPayne
RonPayne RonPayne
  • 03-12-2016
First find half of the perimeter of the triangle: s = (a + b + c) / 2 = 11.095

Then the area is:

A = Square Root [11.095 (11.095 - 7.7)(11.095 - 5.2)(11.095 - 9.29)] = 20.01999895 or 20.02 square feet rounded to 2 decimal places.
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