## 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

home
Last modified: Sat Dec 29 13:40:44 PST 2001