A circular ring outside dia 8cm and inside diameter 6cm what should be the area
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Diameter of outer circle = 8 cm
=> Radius of outer circle = 4 cm
Diameter of inner circle = 6 cm
=> Radius of inner circle = 3 cm
Area of circular ring =
Area of outer circle- Area of inner circle
= 2π × 4² - 2π × 3²
= 2π ( 7)
=14π
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hope it helps you out
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