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Published byBenjamin Strickland Modified over 9 years ago
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Calculus Course
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X-Ray OriginalRingsSlicesBoards
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Ring By Ring Timelapse 25%100%50%75%
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X-Ray
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Shape
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X-Ray ViewStep-by-step
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X-Ray Shape Step-by-step
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X-Ray StrategyVisualizationStep-by-Step PatternCalculus Lingo Ring-by-ring Slice-by-slice Board-by-board
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X-Ray StrategyVisualizationStep-by-Step LayoutCalculus Lingo Ring-by-ring Slice-by-slice Board-by-board
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X-Ray StrategyVisualizationStep-by-Step LayoutCalculus Lingo Ring-by-ring Slice-by-slice Board-by-board
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X-Ray StrategyVisualizationStep-by-Step LayoutSingle Step Zoom Ring-by-ring Slice-by-slice Board-by-board r p x dp dx dr 2*pi*r r
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X-Ray StrategyVisualizationStep-by-Step LayoutSingle Step Zoom Ring-by-ring Slice-by-slice Board-by-board r p x dp dx dr 2*pi*r r
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Shape Animation Spin
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Single Ring Multiple Rings (Area) Spin Area (Volume) Dissect Volume (Surface Area)
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Start with a ring Build out a disc Combine discs into a sphere Subtract a smaller sphere to get a “Shell”
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CircleRingsSlicesBoards SphereShellsWedgesPlates
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Ring-by-ring Timelapse Shell-by-Shell X-Ray Plate-by-plate Timelapse CircumferenceAreaVolumeSurface area ?
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Shell-by-Shell X-Ray… Take a Ring Ring-by-ring timelapse… to a circle Plate-by-plate timelapse…to a sphere Take a sphere to surface area
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= + = 2 ×
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Did the explanation work? Find a better one No Yes Aha!
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