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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

## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - Euclid's Elements - 1846 - 332 pages
...(32. 1.) ; therefore also BCD is double of DAC. But BCD is equal to each of the angles BDA, DBA, and therefore each of the angles BDA, DBA, is double of the angle DAB ; wherefore an isosceles triangle ABD is described, having each of the angles at the base double...

## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - Geometry, Plane - 1860 - 361 pages
...equal to the angles CDA, DAC; (l. 32.) therefore also BCD is double of DAC: and BCD was proved to be equal to each of the angles BDA, DBA ; therefore each of the angles BDA, DBA is double of the angle DAB. Wherefore an isosceles triangle ABD has been described, having each of the angles at the base...

## Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862 - 140 pages
...the angle CAD. 20. And the angle BCD has been shown to be equal to each of the angles BDA, DBA; 21. Therefore each of the angles BDA, DBA, is double of the angle BAD. Conclusion. — Therefore an isosceles triangle ABD has been described, having each of the angles at...

## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864 - 448 pages
...equal to the angles CD A, DAC; (I. 32.) therefore also BCD is double of DAC: and B CD was proved to be equal to each of the angles BDA, DBA ; therefore each of the angles BDA, DBA is double of the angle DAB. Wherefore an isosceles triangle ABD has been described, having each of the angles at the base...

## Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864 - 262 pages
...equal to the angles CD A, DAC; (l. 32.) therefore also BCD is double of DA C: and BCD was proved to be equal to each of the angles BDA, DBA ; therefore each of the angles BDA, DBA is double of the angle DAB. Wherefore an isosceles triangle ABD has been described, having each of the angles at the base...

## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson ...

Robert Potts - 1865 - 528 pages
...equal to the angles CDA, DAC; (i. 32.) therefore also BCD is double of DAC: and BCD was proved to be equal to each of the angles BDA, DBA ; therefore each of the angles BDA, DBA is double of the angle DAB. Wherefore an isosceles triangle ABD has been described, having each of the angles at the base...

## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...[I. 32. Therefore the angle BCD is double of the angle CA D. 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 nf 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 - 1867 - 424 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...