Books Books To describe a square about a given circle. Let ABCD be the given circle ; it is required to describe a square about it. . Draw two diameters AC, BD of the circle ABCD, at right angles to one another, and through the points A, B, • 17.3. C, D, draw... Elements of Geometry, Containing the First Six Books of Euclid - Page 97
by Euclid - 1826 - 180 pages ## Euclid's Elements of Geometry, Books 1-6; Book 11

Henry Martyn Taylor - Euclid's Elements - 1895 - 708 pages
...to have its Bides equal to a given straight line. 20—2 PROPOSITION 7. To describe a square about a given circle. Let ABCD be the given circle : it is required to describe a square about it. CONSTRUCTION. Find E the centre of the circle ABCD, (I1I. Prop. 5.) and... ## Plane Geometry

Edward Brooks - 1901 - 278 pages
...depend on the value of TT, whose approximate value is derived in Proposition XV. PROPOSITION XI. — PROBLEM. To inscribe a square in a given circle. Let...ABCD be the given circle. It is required to inscribe in it a square. Construction. — Draw any two diameters, AC and BD, at right angles to each other;... 