Radius = Circumference/(2*pi)
and then
Area = pi*(radius)2= pi*(circumference)2/(2*pi)2= (circumference)2/(4*pi)
Radius = Circumference/(2*pi)
and then
Area = pi*(radius)2= pi*(circumference)2/(2*pi)2= (circumference)2/(4*pi)
Radius = Circumference/(2*pi)
and then
Area = pi*(radius)2= pi*(circumference)2/(2*pi)2= (circumference)2/(4*pi)
Radius = Circumference/(2*pi)
and then
Area = pi*(radius)2= pi*(circumference)2/(2*pi)2= (circumference)2/(4*pi)
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Radius = Circumference/(2*pi)
and then
Area = pi*(radius)2= pi*(circumference)2/(2*pi)2= (circumference)2/(4*pi)
Square root (Area/pi) to get the radius Then 2xRadiusxPi= Circumference
Entire surface area of a cylinder = (2*pi*radius^2)+(circumference*height) If you are given the circumference then radius = circumference/2*pi
Radius = square root of (area/pi) Circumference = 2*pi*radius
S = C2/pi where S is the surface area, C is the circumference.
Circumference = pi*d Area = pi*d2/4 So 4*area = pi*d2 4*area/Circumference = pi*d2/(pi*d) = d