Answer:
G. 66 feet
Step-by-step explanation:
Radius = 21/2 = 10.5
Circumference
2 × 3.14 × 10.5
65.94 feet
Answer: 24 5 + 9 = 15 + 9 = 24
5.7 square feet = 0.53 square meters
0.53 / 0.75 = 0.71
the smallest would be a)0.71