This book provides a brief history of sails ,their purpose, and relationship to the wind. This book also describes the types of sails, the sizes, and the number of sails on a boat. It shows that finding the area of plane figures are used to find the areas of sails. There are geometry problems throughout the book.This book provides a brief history of sails ,their purpose, and relationship to the wind. This book also describes the types of sails, the sizes, and the number of sails on a boat. It shows that finding the area of plane figures are used to find the areas of sails. There are geometry problems throughout the book.
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