Respuesta :

R=7

D=14

C= pi D

14 pi = 43.9823

2sf = 44

1dp = 44.0

2dp = 43.98

Answer: 43.96

Step-by-step explanation: you have to multiply the radius by 2 and then by pi. or times pi by the diameter.

so the equation would look like this.

R(2) times 3.14