Respuesta :

Answer:

1) 15.7

2)50.2

3) 65.9

Step-by-step explanation:

5 times 3.14

8 times 2 times 3.14

21 times 3.14

Answer:

1) 15.7     2) 50.24    3) 65.94

Step-by-step explanation:

Just multiple the diameter times 3.14

If it just shows the radius times the radius by 2 and then multiply by 3.14

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