what is the ratio of perimeter of circle to perimeter of quarter circle if a complete circle of radius r has perimeter 2πr
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what is the ratio of perimeter of circle to perimeter of quarter circle if a complete circle of radius r has perimeter 2πr
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Answer:
C = 2πr, where r is the radius of the circle. Circumference of a semi-circle = \frac { 2\pi r }{ 2 } = πr and the perimeter of a semi-circular shape = (π + 2) r units.
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