Book Description Master Math: Geometry was written for students, teachers, tutors, and parents, as well as for scientists and engineers who need to look up principles, definitions, explanations of concepts, and pertinent examples It provides everything a high school or first year college student needs to know about Geometry including: explanation одыэц of deductive reasoning, how to perform proofs, definitions, theorems, and postulates It includes explanations of deductive reasoning, examples pertaining to points, lines, plans, angles, and ratios, coverage on triangles, quadrilaterals, polygons, and much more!.  Concert2004 г ISBN 1564146677.