determine the value of 3rd side,if other two sides of a triangle are given as 5cm and 9cm
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The third side will be less than (5+9)cm.
thekootramdas:
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In the absence of extra details the exact value of the third side
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In the absence of extra details the exact value of the third side cannot be found but according to a theory of triangle inequalities , the sum of any two sides of a triangle must be greater than the third side. So,in this triangle the third side will be less than the sum of other two sides that is, 3rd side < 5+9 cm
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According to the triangle properties,the third side should be less than the sum of the other twosides,and greater than the difference of other twosides.
Here,the two sides are 5cm and 9cm.
So sum of the two sides =9+5=14.
Difference of the two sides=9-5=4.
So the third side is must be greater than 4,and less than 14.
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