The perimeter of a rectangle is13cm …
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Amar Kumar 6 years, 6 months ago
{tex}\eqalign{ & P = 13cm. \cr & w = {{23} \over 4}cm. \cr & p = 2(l + w) \cr & 13 = 2\left( {l + {{23} \over 4}} \right) \cr & l = {{13} \over 2} - {{23} \over 4} \cr & l = {{26 - 23} \over 4} \cr & l = {3 \over 4}cm. \cr} {/tex}
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