Ratio of radius 2:3 of two circle ,then the ratio of their circumference is
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according to question,
ratio of radius = 2 : 3
Let radii of circles are r1 and r2
we know,
circumference of circle = 2πr
so, ratio of circumference of circles = 2πr1 : 2πr2
= r1 : r2 = 2 : 3
hence, ratio of circumference is same as ratio of their radii
ratio of radius = 2 : 3
Let radii of circles are r1 and r2
we know,
circumference of circle = 2πr
so, ratio of circumference of circles = 2πr1 : 2πr2
= r1 : r2 = 2 : 3
hence, ratio of circumference is same as ratio of their radii
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