Euclid Book I Constructions

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• Euclid I-1: Construct an equilateral triangle
• Euclid I-2: Transferring a length from one point to another
• Euclid I-3: Cutting a given length off from a given line
• Euclid I-9: Bisecting an angle
• Euclid I-10: Finding the midpoint of a given line segment
• Euclid I-11: Constructing a perpendicular from a given point on a line
• Euclid I-12: Dropping a perpendicular from a given point to a line
• Euclid I-22: Constructing a triangle with given sidelengths
• Euclid I-23: Transferring an angle from one line to another
• Euclid I-31: Constructing a line parallel to a given line
• Euclid I-42: Constructing a parallelogram with area equal to a given triangle and one pair of opposite angles equal to a given angle
• Euclid I-44: Constructing a parallelogram with area equal to a given triangle, one pair of opposite angles equal to a given angle and one side equal to a given line segment
• Euclid I-45: Constructing a parallelogram with area equal to a given quadrilateral and one pair of opposite angles equal to a given angle