| University of Oxford - Greek language - 1879
...rectangle contained by the whole and one of the parts may be equal to the square on the other part. 10. **In a circle the angle in a semicircle is a right angle...less than a semicircle is greater than a right angle.** 11. Inscribe an equilateral and equiangular hexagon in a given circle. 12. Equal triangles which have... | |
| Edward Harri Mathews - 1879
...the inscribed quadrilateral and the opposite extenor angle meet in the circumference. Section III. 1. **In a circle, the angle in a semi-circle is a right...than a semi-circle is greater than a right angle.** The greatest rectangle that can be inscribed in a circle is a square. , 2. From a given circle to cut... | |
| Isaac Sharpless - Geometry - 1879 - 266 pages
...therefore BC is equal (I. 7) to EF. Proposition 21. Theorem.—The angle in a semicircle is a right angle; **the angle in a segment greater than a semicircle,...than a semicircle, is greater than a right angle.** ADC, and join BA, AD, DC; the angle in the semicircle BA C is a right angle; the angle in the segment... | |
| Euclides, James Hamblin Smith - Euclid's Elements - 1879 - 349 pages
...the radius. PROPOSITION XXXI. THEOREM. In a circle, the angle in a semicircle is a right angle ; and **the angle in a segment greater than a semicircle is...less than a right angle ; and the angle in a segment** lest than a is greater than a right angle. Let ABC be a 0, O its centre, and BC a diameter. Draw AC,... | |
| Sandhurst roy. military coll - 1880
...The angle at the centre of a circle is double the angle at the circumference upon the same base. 4. **In a circle the angle in a semicircle is a right angle...less than a semicircle is greater than a right angle.** Circles are described on the sides of a triangle as diameters. Show that their points of intersection... | |
| Nautical astronomy - 1880
...are ei/ttat to each other ; for they are all measured by the same arc, viz. half the arc AR XLH. An **angle in a segment greater than a semicircle is less than a right angle.** Thus, if ABC be a segment greater than a semicircle, the arc AC on which it stands must be less than... | |
| Isaac Todhunter - Euclid's Elements - 1880 - 400 pages
...when the centre falls without the triangle, the angle opposite to the side beyond which it is, being **in a segment less than a semicircle, is greater than a right angle.** [III. 31. Therefore, conversely, if the given triangle be acuteangled, the centre of the circle falls... | |
| Euclides - 1881
...hke manner, by drawing a straight line from the point A, within the angle BAC, it may be shown that **the angle in a segment greater than a semicircle is less than a** rigbt angle. l,-Itrase. — To draw a perpendicular to a straight line from one of its extremities... | |
| 1882
...to twice the rectanglecontained by the whole part, together with the squares on the other part. 3. **In a circle, the angle in a semicircle is a right...less than a semicircle is greater than a right angle.** 4. Inscribe a regular equilateral and equiangular pentagon in a given circle. 5. Similar triangles... | |
| Mary W I. Shilleto - 1882
...will be touched by another circle. 3. In a circle, the angle in a semicircle is a right angle, and **the angle in a segment greater than a semicircle is...less than a semicircle is greater than a right angle.** The greatest rectangle that can be inscribed in a circle is a square. 4. Inscribe a regular quindecagon... | |
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