anonymous
  • anonymous
find the area of the triangle with a=14.8, b=10.6, c=13.8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@Nay_Af
welshfella
  • welshfella
what formula did you use?
anonymous
  • anonymous
My friend told me she used this one so i don't know if it's the right one. http://prntscr.com/91oqpx

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Nay_Af
  • Nay_Af
Give me a few minutes till I solve it on paper.
anonymous
  • anonymous
http://www.mathopenref.com/heronsformula.html
welshfella
  • welshfella
oh I haven't seen that one before you can slao use Hero's formula Area = sqrt[s(s-a)(s-b)(s-c)] where a,b and c are the 3 sides and s = half the perimeter
welshfella
  • welshfella
i used that and got 70.1 to the nearest 10th
welshfella
  • welshfella
Oh its called Heron's formula not Heros
welshfella
  • welshfella
It's a bit easier to use than your friend's.
anonymous
  • anonymous
Refer to the attachment.
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