Afarm uses a circular system to water the crops. the arm on the system (the radius) is 400 meters long. what area of land can it water? use 3.14 to approximate pi.

4 + 5 7/9= 9 7/9

step-by-step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles