anonymous
  • anonymous
For a triangle with side lengths 1.5 feet, 2 feet and 3 feet, the area of the triangle is:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Hi
anonymous
  • anonymous
Are you Here Radar?
radar
  • radar
Use the formula for calculating area of a triangle when the three sides are known.. First compute s. s is the value of the perimeter divided by 2. In this problem the sum of the sides are: 1.5+2+3=6.5 ft. So s=3.25

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anonymous
  • anonymous
Thanks
radar
  • radar
Yes I am here, are we having fun yet?
anonymous
  • anonymous
No, geometry is hard, I have this question on a quiz, it does not list this answer.
radar
  • radar
Here is the formula:\[A=\sqrt{s(s-a)(s-b)(s-c)}\] Where a, b, c are the sides
anonymous
  • anonymous
Are you sure, that is the answer?
radar
  • radar
That is the formula. plug in values s=3.25, a=1.5, b=2, and c=3.
anonymous
  • anonymous
ok, maybe it is none of them, since I do not show your answer.
radar
  • radar
\[\sqrt{3.25(3.25-1.5)(3.25-2)(3.25-3)}\]
anonymous
  • anonymous
I am having a hard time with this open book test lol, they are the worst
radar
  • radar
\[\sqrt{3.25(1.75)(1.25)(0.25)}\]
radar
  • radar
using my calculator i get:\[\sqrt{1.77734375}\]
anonymous
  • anonymous
ok
radar
  • radar
that would be: 1.33317 sq ft
radar
  • radar
Better double check my figures cdunn
anonymous
  • anonymous
lol
anonymous
  • anonymous
I think you are right
anonymous
  • anonymous
I have 19 replies, how can I see the rest of them?
radar
  • radar
are you looking at the open study web page, I am and I see all 20 replies
anonymous
  • anonymous
I cannot see them
radar
  • radar
maybe if you refresh your browser
anonymous
  • anonymous
strange, I cannot see them, but their answer is the same as your answer?
radar
  • radar
ok good luck with it. I got that formula for area from a very old text. bye
anonymous
  • anonymous
thanks

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