A copper wire when bent in the form of a square enclosed an area of 27 9by4cm.sq. If the same wire is bent to from a circle, find it's diameter.
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Answer:
5.99
Step-by-step explanation:
Area of square = side*side
279/4=side²
√279/4=side
side16.70/2
side=4.71
perimeter of square=circumference of circle
18.84=2πr²
18.84=2*22/7*r²
18.84×7/2*22=r
113.88/44=r
2.99=r
diameter =2*r=2*2.99=5.99
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