1. The area of the first circle is 346.5, the area of the second circle is 5,155.0714, the area of the third circle is 35.3571
2. The area is 314.1542 and the circumference is 62.8318
3. The area is 95.0331 and the circumference is 34.5575
4. The area of the circle is 78.5398
5. The area of the circular lawn is 1,385.4423
6. The circumference is 37.6991
7. The area of the circle with a radius of 3 is 28.2743 and the area of the circle with a radius of 4 is 50.2654 (I don’t know the ratio)
8. The larger circle has a area of 314.1592 and the smaller circle has an area of 78.5398 (don’t know the ratio)
9. I don’t know
10. I don’t know
Hope This Helps
