| Sir Henry Edward Landor Thuillier - 1851 - Liczba stron: 718
...each other or they are all measured by hp1P the arc they stand on, viz. by half the arc AB. Cor. 3. An **angle in a segment greater than a semicircle is less than a right angle;** thus ADB is measured by half the arc AB, but as the arc AB is less than a semi-circle, the arc AB or... | |
| Charles Astor Bristed - 1852
...angle at the circumference, upon the same base, that is, upon the same part of the circumference. 5. **In a circle, the angle in a semicircle is a right...less than a semicircle is greater than a right angle.** 6. If a straight line be drawn parallel to one of the sides of a triangle, it will cut the other sides,... | |
| Euclides - 1853
...AD, DC: the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is **greater than a semicircle, is less than a right angle ; and the angle in** the segment ADC, which is less than a semicircle, is greater than a right angle. 3omAE, and produce... | |
| Royal Military Academy, Woolwich - 1853
...DC : the angle in the semicircle BAC is a right angle ; and the angle in the segment ABC, which is **greater than a semicircle, is less than a right angle ; and the angle in** the segment ADC, which is less than a semicircle, is greater than a right angle. Join AE, and produce... | |
| Euclides - 1853 - Liczba stron: 147
...ad, dc; the angle in the semicircle bac is a right angle ; and the angle in the segment abc, which is **greater than a semicircle, is less than a right angle ; and the angle in** the segment adc, which is less than a semicircle, is greater than a right angle. Join ae, and produce... | |
| Euclides - 1853
...right angle. Hence the angle in the semicircle BAC is a right angle ; the angle in the segment ABC **greater than a semicircle is less than a right angle ; and the angle** ADC in the segment less than a semicircle is greater than a right angle. Which was to be proved. COB.... | |
| Thomas Lund - 1854 - Liczba stron: 192
...them must be a right angle. 54. PROP. VI. The 'angle in a segment' equal to a semi-circle is a right **angle ; in a segment greater than a semi-circle is less than a right angle ; and** in a segment less than a semi-circle is greater than a right angle. Let ABCD be a circle of which AB... | |
| William Somerville Orr - 1854
...THEOREM. The angle (ВАС) in a semicircle (BADC) is a right angle : the angle in a segment (ABGC) **greater than a semicircle, is less than a right angle : and the angle** (D) in a segment (ADC) less than a semicircle, is greater than a right angle. From the centre, E, draw... | |
| Great Britain. Committee on Education - 1855
...and if it cuts it at right angles it shall bisect it. 7. The angle in a semicircle is a right angle ; **the angle in a segment greater than a semicircle is...less than a semicircle is greater than a right angle.** 8. To inscribe a circle in a given square. ALGEBRA. — (SECOND SECTION.) 1. Add together — (a +... | |
| Euclides - 1855
...trisection of an angle. PROP. XXXI. THEOREM. In a circle, the angle in a semicircle is a right angle; **the angle in a segment greater than a semicircle is less than a right angle ; and the** anyle in a segment less than a semicircle is greater than a right angle. Let AB СD be a circle, of... | |
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