Two sides of triangle are 13cm and 14cm and it's semi perimeter is 18cm.find the third side of triangle.
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s=1/2(a+b+c)
18=1/2(13+14+c)
18×2=13+14+c
36=27+c
c=36-27
c=9cm
18=1/2(13+14+c)
18×2=13+14+c
36=27+c
c=36-27
c=9cm
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