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Review Exercises


Construct three tori of the same size each enclosing the other two.

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Construct the surface given by the equation
(x2 + y2 + z2)2 = 2z(x2+ y2)

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Construct this model:

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Construct the sphere with this pattern:

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Construct six spheres of the same size each touching four others.

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Construct the torus by pasting two patches as thus:

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Construct one half of a torus so its cross-section consists of two intersecting circles.

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Construct one half of a torus so its cross-section consists of two interlocking circles in space.

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Construct this figure:


Construct an animated gif file showing the double generation of the deltoid.

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Construct this design:

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Construct this graph associated with the logistic equation
x ' = ax(1-x)


Construct this pattern:


Construct this figure:


Construct this figure: