PLANE GEOMETRY TEACHERS' KEY

By MATTHEW MILLER

CONTENTS CHAPTER THE GOLDEN RATIO IN GEOMETRY CHAPTER UNEXPECTED CONCURRENCIES UNEXPECTED COLLINEARITIES SQUARES ON TRIANGLE SIDES SIMILAR TRIANGLES ON TRIANGLE SIDES DISCOVERING CONCYCLIC POINTS CIRCLE WONDERS POLYGONS AND POLYGRAMS GEOMETRIC SURPRISES CHAPTER 10 GEOMETRIC FALLACIES CHAPTER 11 HOMOTHETY, SIMILARITY, AND APPLICATIONS