Circumferences of two concentric circles are 88 and 66cm respectively find the width of the ring formed
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2 x 22/7 x R = 88
R= 88 x 7/22 x 1/2
R = 14
2 x 22/7 x r =66
r = 66 x 7/22 x 1/2
r =10.5
now width =14 - 10.5
=3.5
required width= 3.5 cm
R= 88 x 7/22 x 1/2
R = 14
2 x 22/7 x r =66
r = 66 x 7/22 x 1/2
r =10.5
now width =14 - 10.5
=3.5
required width= 3.5 cm
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