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A copper wire , when bend in the form of a square encloses an area of 121 m square if the same wire is bent in the form of a cicle ,find the area enclosed by the circle ?
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A copper wire , when bend in the form of a square encloses an area of ...
Area of a square=a^2
or 121=a^2
.•.a=√121
=11cm
now, perimeter of square=4a
=4x11
=44cm
now, perimeter of square=perimeter of circle
or 44=2πr
or r=44x7/2x22
or r=7 cm
so, Area of circle=πr^2
=22x7x7/7
=154 cm^2 answer

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A copper wire , when bend in the form of a square encloses an area of 121 m square if the same wire is bent in the form of a cicle ,find the area enclosed by the circle ?
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A copper wire , when bend in the form of a square encloses an area of 121 m square if the same wire is bent in the form of a cicle ,find the area enclosed by the circle ? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A copper wire , when bend in the form of a square encloses an area of 121 m square if the same wire is bent in the form of a cicle ,find the area enclosed by the circle ? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A copper wire , when bend in the form of a square encloses an area of 121 m square if the same wire is bent in the form of a cicle ,find the area enclosed by the circle ?.
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