Plz help solve problems 1-6

The circumference of the circle is found as ; c=2πr where π= 3.14 and r= radius
If diameter is given, then we can simply find the circumference as πd because d= 2r
1. d=5.9 ft
circumference = [tex]3.14\times5.9=18.526[/tex] ft
2. d=3.2 ft
c= [tex]3.14\times3.2=10.048[/tex] ft
3. d=6.1 cm
c= [tex]3.14\times6.1=19.154[/tex] cm
4. r=3.7 m
c= [tex]2\times3.14\times3.7=23.236[/tex] m
5. r= 6.2
c= [tex]2\times3.14\times6.2=38.936[/tex]
6. r= 5.1 ft
c = [tex]2\times3.14\times5.1=32.028[/tex] ft