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The radius of a circle  increased so that its circumference is increased by 5% what is the percentage of the area of the circle?
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The radius of a circle increased so that its circumference is increase...
Answer :
Radius of circle is increased by 5%
Increased radius = 105/100
                              = 1.05 unit
Increased area = π(105/100)� - 1π
                          = π(1.05)� - 1π
                          = 1.1025π
                            = (1.1025 - 1)π
                           = 0.1025π unit�
Percentage Increase = (0.1025/1) � 100
                                    = 10.25%
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The radius of a circle increased so that its circumference is increased by 5% what is the percentage of the area of the circle?
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