Question

A wire bent into a site in square with side 25 CM if it is street ended and made into a circle what is the radius of circle

Answer 1

The area of square = (side)2 =(25)2 =620

Answer 2

Answer is 16{15.90}

Step by step explanation :-

Perimeter of bent square = Perimeter of

bent circle

Perimeter of square :-

$</strong><strong> </strong><strong>{</strong><strong>=</strong><strong>~</strong><strong>4</strong><strong>~</strong><strong>×</strong><strong>~</strong><strong>l</strong><strong>}</strong><strong>$

= 4 × 25 = ${100cm}^{2}$

Perimeter of circle :-

$</strong><strong>{</strong><strong>=</strong><strong>~</strong><strong>2</strong><strong>\</strong><strong>p</strong><strong>i</strong><strong> </strong><strong>r</strong><strong> </strong><strong>}</strong><strong>$

$100 = 2 \times \frac{22}{7} \times r \\ \\ \frac{100 \times 7}{44} = r \\ \\ r = 15.90cm = 16 \: cm$

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