Volume of Cone and Cylinder
Picture a rectangle divided into two right triangles by a diagonal. How is the area of the right triangle formed by the diagonal related to the area of the rectangle? The a...
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Solid Geometry
Solid geometry is that subsection of geometry that deals with figures in three-dimensional space. Euclidean geometry, sometimes called parabolic geometry, is divided into two subsection...
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Solids with Known Cross Section Areas
A cross section of a solid is mathematically defined as the plane surface that results from the intersection of a plane with the solid. Therefore, a cross section...
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Background InfoBorn on September 27 1947,
Denis
Lawson
grew up in the idyllic but somewhat isolated Scottish town of Crieff. An imaginative and creative boy, he grew up with a desire to flee the ...
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