Of Quadrilateral Figures, a QUADRANGLE or SQUARE is that which has all its Sides equal, and all its Angles Right Angles.
DEFINITION XXX.
From The Commentaries of Proclus on the First Book of Euclid's Elements by Proclus.
From The Commentaries of Proclus on the First Book of Euclid's Elements by Proclus.
Of Quadrilateral Figures, a QUADRANGLE or SQUARE is that which has all its Sides equal, and all its Angles Right Angles.