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let AD be drawn from the point A perpendicular to BC;
I say that the square on AC is less than the squares on AB, BC by twice the rectangle contained by CB, BD.
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T H E E L E M E N T S |
Book II Proposition 13 | |
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Let ABC be an acute-angled triangle having the angle at B acute, and let AD be drawn from the point A perpendicular to BC; I say that the square on AC is less than the squares on AB, BC by twice the rectangle contained by CB, BD. |
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