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Sphere area as a cylinder, animation

K007/2486

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Credit

RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY

Caption

Sphere area as a cylinder. Animation showing how the area of a sphere of radius 'r' can be represented as the curved surface area of a cylinder of length '2r' and radius 'r'. The unrolled curved surface area of the cylinder has a length of '2r' and a height equal to the circumference of the cylinder ('2r' multiplied by the mathematical constant 'pi'). The area of a sphere is these two values multiplied to produce 4'pi'r (four times 'pi' times the radius squared).

Release details

Model release not required. Property release not required.

Clip Properties:

  • Duration: 00:00:32.06
  • Audio: No
  • Interlaced: No
  • Capture Format: QuickTime Animation
  • Codec: H.264

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