Gnomons

    1. Draw or describe a figure that is gnomon to a rectangle of length 2 and width 1
    2. Draw or describe a figure that is gnomon to a circle of radius 3.

    A Challenge From Pythagorus

    Suppose ABC is any triangle with angles a , b, and c, and suppose that angle a is larger than angle b. Draw a gnomon to ABC which is also a triangle.

    A Second Challenge From Pythagorus

    Do any rectangles have square gnomons? If so, which? That is, under what circumstances does a rectangle have a square gnomon?

    Golden Ratio in Art, Revisited

    Back to the Golden Ratio | Back to the In Class