The length (in cm) of sides of a triangle are positive integers. If its perimeter is an odd number and the difference of length of two sides is 11 cm, then the possible length of the third side is :
(A) 10 cm
(B) 11 cm
(C) 12 cm
(D) 13 cm
please gimme a step by step explanation too
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Step-by-step explanation:
let the positive integer be = x this is length
and the perimeter formula l×b = x×b = 11(xb )
11x×11b = xb is 11
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