Answer:
78.54
Step-by-step explanation:
The formula is . So, substitute the values into the equasion and get the answer.
According to the order of operations, we square the radius first, then multiply by pi. 5^2 = 25. 25 * pi = 78.5398163397. I just rounded it to the nearest hundereth.
1, 2, 3, 6,
1*42
2*21 all = 42
3*14
6*7
22
