Diameter Radius r² Area
1. 14cn 7cm 49 3.14 x 49
= 153.86
2. 2dm 1dm 1 3.14 x 1
= 3.14dm²
3. 20dm 10dm 100 3.14 x 100
3.14m²
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Decimal places
Diameter Radius r² Area
1. 14cn 7cm 49 3.14 x 49
= 153.86
2. 2dm 1dm 1 3.14 x 1
= 3.14dm²
3. 20dm 10dm 100 3.14 x 100
3.14m²
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