Books Books To describe an equilateral and equiangular pentagon about a given circle. • Let ABCDE be the given circle; it is required to describe an equilateral and equiangular pentagon about the circle ABCDE. Let the angles of a pentagon, inscribed in the circle... The First Six Books: Together with the Eleventh and Twelfth - Page 112
by Euclid - 1781 - 520 pages ## The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - Euclid's Elements - 1881 - 236 pages
...To describe a regular pentagon on a given straight line PROP. XII. PROBLEM. To describe a . regular pentagon about a given circle. Let ABCDE be the given circle. It is required to describe a regular pentagon about it. Find A, B, C, D, and E, the angular points of a regular pentagor inscribed... ## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 426 pages
...angle. QEF [Axiom 6. PROPOSITION 11. PROBLEM. To inscribe an equilateral and equiangular pentagon in a given circle. Let ABCDE be the given circle: it is required to inscribe an equilateral and equiangular pentagon in the cirdeABCDJS. Describe an isosceles triangle,... ## Euclid's Elements of Geometry, Books 1-6

Henry Martyn Taylor - 1893 - 486 pages
...circles meet again in E, then CE is parallel to BD. PJKOPOSITION 11. To inscribe a regular pentagon in a given circle. Let ABCDE be the given circle : it is required to inscribe a regular pentagon in the circle ABCDE. CONSTRUCTION. Construct a triangle FGH having each... 