anonymous
  • anonymous
Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the triangle. a = 240 b = 127 c = 281
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
check if sum of any two side is always greater than the reamining side...
anonymous
  • anonymous
Heron's formula for the area of triangle is given by sqrt( s*(s-a)*(s-b)*(s-c)) where 2s=a+b+c
anonymous
  • anonymous
Heron say it look : p=1/2 all the p 2p= all the p Heron says : \[\sqrt{p(p-a)(p-b)(p-c)}\]

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More answers

anonymous
  • anonymous
I did that, but I'm not getting anything equivalent to my choices.
anonymous
  • anonymous
u didnt give numbers !
anonymous
  • anonymous
@Loveiskey18
anonymous
  • anonymous
@@@@@@@Loveiskey18
anonymous
  • anonymous
My choices: No triangle is formed. 21,237.83 21,223.73 15,183.77
anonymous
  • anonymous
My apologies.
anonymous
  • anonymous
My nean was a , b ,c in triangle ! u didnt give them!
anonymous
  • anonymous
I did.
anonymous
  • anonymous
a = 240 b = 127 c = 281
anonymous
  • anonymous
@E.ali
anonymous
  • anonymous
Ok ! Now find p : p=240+127+281/2 OK ?!
anonymous
  • anonymous
324.
anonymous
  • anonymous
Exelent ! Now go with formula : (get a , b , c , p)in and get numbers ! Can u do it ?!:)
anonymous
  • anonymous
What is P?
anonymous
  • anonymous
Oh excuse me its 2p means around !
anonymous
  • anonymous
2p maens that : 240+127+281/2 . I was falled last :( Now can u answer ? Look : in heron we want p means 1/2 2p . OK ?!
anonymous
  • anonymous
So for p, I put 2?
anonymous
  • anonymous
Yeah ! So p=324/2=162
anonymous
  • anonymous
@Loveiskey18 :Can u answer friend ?
anonymous
  • anonymous
I do not know what to do after You did that:p=324/2=162
anonymous
  • anonymous
OK ! Now we have the Heron formula : \[\sqrt{p(p-a)(p-b)(p-c)}\]
wolf1728
  • wolf1728
Another way to express the formula where s is semi-perimeter Semi-Perimeter = (240+127+281)/2 = 648/2 = 324 area = square root (s • (s - 240) • (s - 127) • (s - 281))
anonymous
  • anonymous
Si its : \[\sqrt{162(162-240)(p-127)(162-281)}\]
anonymous
  • anonymous
@wolf1728:u are realy fall friend ! It s p not s .!
anonymous
  • anonymous
@Loveiskey18 : Got it ?!:)
anonymous
  • anonymous
Yes. I got 2923830 sqrt(2)
anonymous
  • anonymous
Any problem ? Did u get it rely ?!:)
wolf1728
  • wolf1728
I calculate 15,183.765540866336 or 15,184 rounded
anonymous
  • anonymous
The answer isnt importent I dont calculat that ! Formula is important !:)
anonymous
  • anonymous
Yes, I obtained the answer using Heron's formula
anonymous
  • anonymous
OK :)
anonymous
  • anonymous
@E.ali Why do you have a smiley face, according to @wolf1728 my answer is incorrect.
anonymous
  • anonymous
@Loveiskey18 : I never say that :) I have another bean :(
anonymous
  • anonymous
What is your bean?
anonymous
  • anonymous
Thank You both, @wolf1728 and @E.ali
anonymous
  • anonymous
Your welom Sir !:)
wolf1728
  • wolf1728
Okay and thank you Loveiskey18
anonymous
  • anonymous
I'm not a Sir.
anonymous
  • anonymous
Oh excuse me Modom :( I didnt know :( I m sorry
wolf1728
  • wolf1728
Not to run this into the ground but try this calculator http://www.mathsisfun.com/geometry/herons-formula.html or this one http://keisan.casio.com/exec/system/1223267646 or this one http://mste.illinois.edu/dildine/heron/triarea.html and see what you get
anonymous
  • anonymous
@wolf1728 : Thanks !
anonymous
  • anonymous
They are all correct, 15183.7.
anonymous
  • anonymous
:)
wolf1728
  • wolf1728
Thanks Loveiskey18 :-) and Eali :-)
anonymous
  • anonymous
You're Welcome.
anonymous
  • anonymous
You re welcome !:)

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