Respuesta :

Answer:

1. 50.26548

2. 12.56637

3. 3.14159

4. 201.06193

5. 113.09734

6. 38.48451

7. 63.61725

8. 153.93804

9. 28.27433

10. 19.63495

Step-by-step explanation:

The formula is A = pi r^2

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