Challenging Problems in Geometry and immensely readable

and immensely readable

and much else

and courage

a gallant young sailor whose life takes a bitter turn when

among them summability theory

Challenging Problems in Geometry and immensely readableDesigned for high school students and teachers with an interest in mathematical problem solving, this volume offers a wealth of nonroutine problems in geometry that stimulate students to explore unfamiliar or little known aspects of mathematics. Included are nearly 200 problems dealing with congruence and parallelism, the Pythagorean theorem, circles, area relationships, Ptolemy and the cyclic quadrilateral, collinearity and concurrency, and many