A = πr²
r = 3π
A = π(3π)² = 9π².π = 9π³ ≈ 279.05649
Answer:
20. x= 263.3 yd (nearest tenth)
21. x= 0.6 km (nearest tenth)
Explanation:
Please see attached picture for full solution.
D) 4 since the Ural Mountains are located in modern day Russia and that's where Russia is.