Euclid — "To apply a given parallelogram to a given straight line in a given rectilinear a…"
To apply a given parallelogram to a given straight line in a given rectilinear angle.
To apply a given parallelogram to a given straight line in a given rectilinear angle.
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"That all right angles are equal to one another."
"To construct an equilateral triangle on a given finite straight line."
"An obtuse angle is an angle greater than a right angle."
"To bisect a given rectilinear angle."
"Similar triangles are to one another in the duplicate ratio of their corresponding sides."
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