Formulae for Circle, Sphere & Cylinder.pdf
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Circle Formulas Circumference = 2 • π • radius = π • diameter Circle Area = π • r² = ¼ • π • d² *************************** Sphere Formulas Sphere Surface Area = 4 • π • r² = π • d²
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Transcript of Formulae for Circle, Sphere & Cylinder.pdf
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Circle Formulas
Circumference = 2 radius =
diameter Circle Area = r = d
***************************
Sphere Formulas
Sphere Surface Area = 4 r = d
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Sphere Volume = 4/3 r = ( d)/6
Click here or here for partially-filled sphere calculators.
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Cylinder Formulas
Surface Area = (2 r) + (2 r height)
Where (2 r) is the surface area of the "ends" and (2 r height) is the lateral area (the area of the "side").
Volume = r height = d height