I hope this helps you understand the question better!
Answer:
42 ft
Step-by-step explanation:
14 times 14=196
R of circle =7
7 squared=49
49 times pi= 153.938040026
196-153.938040026= 42.0619599741
Rounded to 1 decimal=42.1
Rounded to whole number = 42
2.4*10^2 (2)
2.53*10* (1)
5.25*10^1 (3)
1.8*10^3 (4)