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OpenStudy (anonymous):
the sides of a triangle are x,x+1,2x-1 and its area is x root 10 what is the value of x? help me plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
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OpenStudy (amriju):
find the perimetre of the triangle thats 4x...now...find semi perimeter...thats...perimeter/2=2x let it be s.....now (s(s-a)(s-b)(s-c)))^1/2 is the area...u can compare that with x root 10..to find x...
OpenStudy (amriju):
a, b, c are the lenght of the sides...
OpenStudy (amriju):
got it?
OpenStudy (anonymous):
yep
OpenStudy (amriju):
:)
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