By applying the expression for the circumference of a circle and solving for the value radius, we get
r = 1250 units
Given data
Circumference = 7,850 units.
Radius = ??
From the expression/formula for the circumference of a circle which is
Circumference= 2πr
Substitute the given value for circumference, while using the value 3.14 for pi
7,850 = 2*3.14*r
solve for r
7,850 = 6.28r
Divide both sides by 6.28
r= 7,850/6.28
r= 1250 units
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