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AED, is equal to two right angles ; that is, the sum of the angles...
A Compleat Treatise of Practical Navigation Demonstrated from It's First ... - Σελίδα 14
των Archibald Patoun - 1734 - 414 σελίδες
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## Elements of Geometry: With Notes

John Radford Young - 1827 - 208 σελίδες
...the angles CEA, CEB, is equal to two right angles (Prop. III.). Also the sum of the angles CEA, AED, is equal to two right angles ; that is, the sum of the angles CEA, CEB, is equal to the sum of the angles CEA, AED ; and taking away from each of these equal...

## Elements of plane (solid) geometry (Higher geometry) and trigonometry (and ...

Nathan Scholfield - 1845
...angles CEA, CEB, is equal to two right angles (Prop. III.) Also the sum of the A o angles CEA, AED, is equal to two right angles; that is, the sum of the angles CEA, CEB, is equal to the sum of the angles CEA, AED; and taking away from each of these equal...

## Plane and Solid Geometry

James Howard Gore - 1898 - 210 σελίδες
...are equal to four right angles. The sum of each exterior and its corresponding interior angle (by 79) is equal to two right angles. That is, the sum of the interior and exterior angles is equal to twice as many right angles as the figure has sides. But by...

## A Table of Green Fields: Ten Stories

Guy Davenport - 1993 - 149 σελίδες
...of the angles CAB and CBA and ACB. But the sum of the angles ACD and ACB is equal to two right ones, therefore the sum of the three angles CAB and CBA...of any triangle ACB is equal to two right angles. Sven's hair was cropped close, as he had become impatient with it out orienteering. With the help of...
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