Books Books To inscribe, an equilateral and equiangular pentagon in a given circle. Let ABCDE be the given circle. It is required to inscribe an equilateral... Euclid's Elements of Geometry - Page 305
edited by - 1893 - 504 pages ## The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - Euclid's Elements - 1880 - 400 pages
...[I. 32. Therefore the angle BCD is double of the angle CAD. And the angle BCD has been shewn to be equal to each of the angles BDA, DBA ; therefore each...angles BDA, DBA is double of the angle BAD. Wherefore an isosceles triangle has been described, having each of the angles at the base double of the third... ## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 426 pages
...[I. 32. Therefore the angle BCD is double of the angle CAD. And the angle BCD has been shewn to be equal to each of the angles BDA, DBA ; therefore each...of the angles BDA, DBA is double of the angle BAD. AVherefore an isosceles triangle has been described, having each of the angles at the base double of... ## Euclid's Elements of Geometry, Books 1-6; Book 11

Henry Martyn Taylor - Euclid's Elements - 1895 - 706 pages
...the angle CD A is equal to the angle CAD. (I. Prop. 5.) Therefore the sum of the angles CA D, CD A is double of the angle CAD. But the angle BCD is equal...angles. EXERCISES. 1. Describe an isosceles triangle haying each of the angles at the base one third of the vertical angle. 2. Divide a right angle into... ## Books 3-9

Euclid - Mathematics, Greek - 1908 - 456 pages
...the angles CD A, DAC; therefore the angle BCD is also double of the angle CAD. But the angle BCD is equal to each of the angles BDA, DBA ; therefore each of the angles BDA, DBA is also double of the angle DAB. Therefore the isosceles triangle ABD has been constructed having each... 