Simplify, explain
braille picture ¼ size
Reduce unnecessary lifelike elements
Sunrise at six, at twelve noon the sun will be perpendicular to
the plane. At what time AM will a 23 meter high tree casts a
30 meter long shadow? Calculate the length of the tree's shadow
at 2 PM.
Copyright © 1989-2002 Marco Schuffelen
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Last modified: Sat Dec 29 13:40:44 PST 2001
