Answer:
<u>254.34 in²</u>
Step-by-step explanation:
<u>Area of a circle</u>
- <u>r = radius of the circle</u>
<u>Solving</u>
- A = 3.14 x (9)²
- A = 3.14 x 81
- A = <u>254.34 in²</u>
The fraction form is 26/3 or 8 2/3
1 stone = 20 square inches
1 stone * 30 = 20 square inches * 30
30 stones = 600 square inches