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Find the area of circle with the given diameter 8 cm 20 cm |
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Answer» Answer: (i) 50.24 cm² (ii) 314 cm² Step-by-step explanation: (i) Diameter = 8 cm Radius r = 4 Area = πr² = 3.14 × 4² = 3.14 × 16 = 50.24 cm² (ii) Diameter = 20 cm Radius r = 10 Area = πr² = 3.14 × 10² = 3.14 × 100 = 314 cm² |
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