Question

Length and breadth of a rectangular wire are 9 cm and 7 cm respectively. If the wire is bent into a square find the length of its side

Answer 1

$\underline { \blue { Dimensions \:of \: a \: rectangular \:wire :}}$

$Length (l) = 9 \:cm , \: breadth (b) = 7 \:cm$

$Let \: \pink { Length \: of \: the \:square \:side =a }$

/* According to the problem given */

$\orange { Perimeter_{(square )}} = \blue { Perimeter_{(rectangle )}}$

$\implies 4a = 2(l+b)$

$\implies 4a = 2( 9 \:cm + 7 \:cm )$

$\implies 4a = 2\times 16 \:cm$

$\implies a =\frac{ 32\:cm}{4}$

$\implies a =8\:cm$

Therefore.,

$\red { Length \: of \: the \:square \:side}\green {=8\:cm}$

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Answer 2

Step-by-step explanation:

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