The Right Angle Puzzle
by David Pleacher
published in Virginia Mathematics Teacher May 1981



The Solution
 
+---+---+---+---+---+---+---+---+---+---+---+ | A | T | E | R | A | L | U | I | D | A | R | +---+---+---+---+---+---+---+---+---+---+---+ | L | K | T | N | I | O | S | A | I | V | E | +---+---+---+---+---+---+---+---+---+---+---+ | I | I | O | N | W | P | C | R | X | A | B | +---+---+---+---+---+---+---+---+---+---+---+ | U | T | E | E | E | K | S | A | E | S | R | +---+---+---+---+---+---+---+---+---+---+---+ | Q | H | O | M | B | U | S | L | L | E | A | +---+---+---+---+---+---+---+---+---+---+---+ | E | R | E | D | U | T | I | T | F | E | L | +---+---+---+---+---+---+---+---+---+---+---+ | E | S | U | N | E | T | O | P | E | L | U | +---+---+---+---+---+---+---+---+---+---+---+ | N | N | A | L | P | O | C | Y | R | G | C | +---+---+---+---+---+---+---+---+---+---+---+ | A | A | L | C | R | I | C | H | A | N | I | +---+---+---+---+---+---+---+---+---+---+---+ | I | R | E | D | P | E | R | P | E | N | D | +---+---+---+---+---+---+---+---+---+---+---+ | D | E | M | I | O | Z | E | P | A | R | T | +---+---+---+---+---+---+---+---+---+---+---+


Send any comments or questions to: David Pleacher