Answer:
1) 15.7 2) 50.24 3) 65.94
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
1) 15.7
2)50.2
3) 65.9
5 times 3.14
8 times 2 times 3.14
21 times 3.14
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