Answer :
Set up a proportion:
We know that a circle equals 360 degrees, 20 degrees is equal to 684 yards, so we want to know the area of 360 degrees:
20/684 = 360/x
Cross multiply:
20x = 246240
Divide 20 to both sides:
x = 12312
We know that a circle equals 360 degrees, 20 degrees is equal to 684 yards, so we want to know the area of 360 degrees:
20/684 = 360/x
Cross multiply:
20x = 246240
Divide 20 to both sides:
x = 12312