Mathematics: Find the area of a square whose perimeter is 128 cm

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Find the area of a square whose perimeter is - id12810033283, gabflips7267

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nicolasliberat

14.02.2022

Diagram:-

$\setlength{\unitlength}{2mm}\begin{picture}(10,10)\linethickness{0.5mm}\put(6,2){\dashbox{0.01}(15,15)}\put(3,0){\bf D}\put(3,18){\bf A}\put(23,18){\bf B}\put(23,0){\bf C}\end{picture}$

Perimeter of a square =128cm

Let

the side of the square =a

As we know that in a square

$\boxed{\sf Perimeter=4a}$

Substitute the values

$\hookrightarrow\sf 4a=128$

$\hookrightarrow\sf a=\dfrac {128}{4}$

$\hookrightarrow\bf a=32$

Side=32cm

We know that in a square

$\boxed {\sf Area=(a)^2}$

Substitute the values

$\looprightarrow\sf Area=(32)^2$

$\hookrightarrow\bf Area=1024cm^2$

$\therefore\sf Area\:of\:the\:square\;is\:1024cm^2.$

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Find the area of a square whose perimeter is 128 cm

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