angelaalien13
angelaalien13 angelaalien13
  • 21-01-2018
  • Mathematics
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7) Please HELP WITH QUESTION.
MARKING BRAINLIEST + POINTS GIVEN!!!!!

7 Please HELP WITH QUESTION MARKING BRAINLIEST POINTS GIVEN class=

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Catya
Catya Catya
  • 21-01-2018
a+b>c
a+c>b
c+b>a
yes, sum of two sides greater than third. So it will make a triangle.

S = (240 + 127 + 281)/2
S = (648)/2
S = 324

A = sqrt(S(S-a)(S-b)(S-c))
A = sqrt(324(324-240)(324-127)(324-281))
A = sqrt(324(84)(197)(43))
A = sqrt(230,546,736)
A = 15,183.77
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