Answer :
The circumference of the largest silo is 75.398 feet, the circumference of the middle sized silo is 37.70 feet and the circumference of the smallest silo is 25.132 feet.
Step-by-step explanation:
The given is,
A farmer has three silos
Radius of Largest silo = 12 feet
Radius of middle size silo = 6 feet
Radius of smallest silo = 4 feet
Step:1
Formula for circumference,
[tex]C=2\pi r[/tex]
where, r - Radius
Step:2
Circumference of Largest silo,
[tex]C=2 \pi (12)[/tex]
[tex]= 75.398[/tex] feet
Circumference of Largest silo = 75.398 feet
Step:3
Circumference of Middle size silo,
[tex]C=2 \pi (6)[/tex]
[tex]= 37.699[/tex] feet
Circumference of middle size silo = 37.699 feet
Step:4
Circumference of smallest silo,
[tex]C=2 \pi (4)[/tex]
[tex]= 25.132[/tex] feet
Circumference of smallest silo = 25.132 feet
Result:
The circumference of the largest silo is 75.398 feet, the circumference of the middle sized silo is 37.70 feet and the circumference of the smallest silo is 25.132 feet.