Circle divided into 28 equal sections, 1980; 67.6 x 67.6 cm. (26.6 x 26.6 in.) close. Medium watercolor and pencil Size 67.6 x 67.6 cm. (26.6 x 26.6 in.) Sale Consectetur Estimate Lorem ipsum dolor ...

Circles Divided into Eight Equal Parts with Colors Superimposed in Each Part (complete set of 4 works), 1989. Screenprints in colors 30 x 30 in. (76.2 x 76.2 cm.) Signed and numbered lower right on ...

The Mesopotamians passed their base-60 numerical system to the ancient Egyptians, who used it to divide a circle into 360 degrees, Mary Blocksma writes in her book Reading the Numbers.