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Calculate sphere radius by using diameter, volume, or area.

Calculate sphere radius using diameter:

radius = Diameter ÷ 2Calculate sphere radius using area:

A = Area

π = 3.14159 approximatelyradius =

x√A ÷ π= ( 1 ÷ 2 ) x √A ÷ π1 2 or radius = √A ÷ (4 x π)

Calculate sphere radius using volume:

V = Volume

π = 3.14159 approximatelyradius = (3 x

)V 4 x π ^{1/3}

Calculate sphere volume by using radius, diameter, or area.

r = radius

d = diameter

A = area

V = volume

PI = π = 3.14159 approximatelyCalculate sphere volume using radius:

V =

x π x r4 3 ^{3}Calculate sphere volume using diameter:

V =

x π x (d ÷ 2)4 3 ^{3}Calculate sphere volume using area:

V = A^{3/2}÷ (6 x √π)

Calculate sphere area by using radius, diameter, or volume.

r = radius

d = diameter

A = area

V = volume

PI = π = 3.14159 approximatelyCalculate sphere area using radius:

A = 4 x π x r^{2}Calculate sphere area using diameter:

A = 4 x π x (d ÷ 2)^{2}Calculate sphere area using volume:

A = π^{1/3}x (6 x V)^{2/3}

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