Answer:
40.2
Step-by-step explanation:
Circumference = 2πr
Plug in:
2π6.4
6.4 × 2 = 12.8
π = 3.14
12.8 × 3.14 = 40.1920.... = 40.2
The answer is 40.2
Hope this helped.
Your answer should be 20.1
6.4 x 3.14= 20.096
Rounded to the nearest tenth is 20.1
hope this helps c:
