| NOTHING _ BUT _ MATHS site by Charavee Bunyasiri |
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| Volume of 3D Shapes |
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| cube = a*a*a |
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| Rectangular Prism = a b c |
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| Irregular Prism = b h |
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| Cylinder = b h = pi r*r h |
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| pyramid = (1/3) b h |
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| cone = (1/3) b h = 1/3 pi r*r h |
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| sphere = (4/3) pi r*r*r |
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| ellipsoid = (4/3) pi r1 r2 r3 |