Area Problem. (EASY)

Level 2

A wire which is in the form of a square of side 11 cm, has been changed in to the shape of a circle. Then, the area of the circle will be .................


The answer is 154.

Noel James by Noel James , 22, India

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2 solutions

Ahmed Jawad
Jan 11, 2015

Perimeter of square =44 Circumference of circle = 44=2 3.142 r r= 7 Area of circle = 3.142 7 7=154 ans

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Vinayak Rastogi
Mar 2, 2014

\quad 4\times 11=2\times \pi \times r\ \quad \quad \quad \quad r=7\ area\quad of\quad circle\quad \ =\ \pi \times { r }^{ 2 }=\quad 154\quad { cm }^{ 2 }

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explain it briefly

sri nath - 7 years ago

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