area of a circular wire is 154sq.cm. Find the area of squared wire
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area of circular wire=154 sq cm
area of squared wire =?
Area of circle=pi r×r (given pi =22/7
154= 22/7r×r
154×7/22=r×r
49=r×r
7=r
area of squared wire =?
Area of circle=pi r×r (given pi =22/7
154= 22/7r×r
154×7/22=r×r
49=r×r
7=r
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