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138 • Chapter 4: Graphics32.50.6–0.4 0.4–0.20 0.20.21–0.20.41.52The hemisphere command makes a hemisphere. You can specify theradius and the coordinates of the center. Otherwise, leave an empty setof parentheses to accept the defaults.> cup := hemisphere():> display( cup );> cap := rotate( cup, Pi, 0, 0 ):> display( cap );All the sides of the dodecahedron mentioned earlier in this sectionare pentagons. If you raise the midpoint of each pentagon by using the