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Find the perimeter of:
(i) A scalene triangle with sides \(7 \ m\), \(8 \ m\), \(10 \ m\). \(=\) \(m\)
(ii) An isosceles triangle with equal sides \(10 \ cm\) each and third side is \(7 \ cm\). \(=\) \(cm\)
(iii) An equilateral triangle with side \(6 \ cm\). \(=\) \(cm\)
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