Pictorial Introduction to 'Graphics for The Blind'

Diagrams 1: Simplify

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Reduce to essentials, do not copy irrelevant embellishments.

Braille picture ¼ size
Sunrise at six, at twelve noon the sun will be perpendicular to the plane. At what AM time will a 23 meter high tree casts a 30 meter long shadow? Calculate the length of the tree's shadow at 2PM.

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