Find the area of a circular ring whose inner and outer radii are 16 centimeters and 19 centimeters respectively
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ar of ring= π (R2 -r2)
22/7 (192 -162)
22/7 [(19+16) (19-16)]
22/7 [ (35) 3]
110 X 3
330cm2
22/7 (192 -162)
22/7 [(19+16) (19-16)]
22/7 [ (35) 3]
110 X 3
330cm2
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