the radius of a circle is 5 cm what is the radius of another circle whose area is 25 times that that of the first circle
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Area of first circle= pi r²
=3.14x25
=78.5 cm²
Area of the another circle= 25x78.5
=1962.5cm²
=3.14x25
=78.5 cm²
Area of the another circle= 25x78.5
=1962.5cm²
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