This book is a companion to the textbook Euclidean Geometry: a First Course by Mark Solomonovich. The main part of the manual contains 70 additional detailed solutions that can be used for tests and home assignments. Also included are some comments and tests with solutions to the first two chapters, which may facilitate the reading and getting accustomed to the language of the subject. Lastly, it contains lists of all the axioms, on which the discussion is based, as well as all the theorems derived in the textbook and other major results, such as basic constructions.