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 angle in a segment less than a semicircle is greater than a right angle. A Treatise of Practical Surveying, ... - Side 32av Robert Gibson - 1808 - 440 siderUten tilgangsbegrensning - Om denne boken
| John Playfair - 1842 - 317 sider
...equal parts. , PROP. XXXI. THEOR. In a circle, the angle in a semicircle is a right angle ; but the **angle in a segment greater than a semicircle is less than a right angle** ; and the angle in a segment less than a semicircle is greater than a right angle. Let A BCD be a circle,... | |
| Euclides - 1842
...bisected in D. QEF PROP. XXXI. THEOR. IN a circle, the angle in a semicircle is a right angle ; but the **angle in a segment greater than a semicircle is less than a right angle** ; and the angle in a segment less than a semicircle is greater than a right angle. Let ABC D be a circle,... | |
| 1843
...divides them into two equal parts. 2. In a circle the angle in a semi-circle is a right angle ; but the **angle in a segment greater than a semi-circle is less than a right angle** ; and the angle in a segment less than a semi-circle is greater than a right angle. 3. What sum must... | |
| Robert Simson - 1845 - 199 sider
...done. PROPOSITION XXXI. THEOR. — In a circle, the angle in a semicircle is a right angle; but the **angle in a segment greater than a semicircle is less than a right angle** ; and the angle in a segment less than a semicircle is greater than a right angle. Let ABCD be a circle,... | |
| 1845
...to AB. PROPOSITION LII. — THEOREM. An angle ADB in a semicircle is a right angle, and an angle DBA **in a segment greater than a semicircle is less than a right angle,** and an angle AED in a segment less than a semicircle is greater than a right angle. and v DC=CB, the... | |
| Robert Potts - 1845
...in DQEF PROPOSITION XXXI. THEOREM. In a circle, the angle in a semicircle is a right angle; but the **angle in a segment greater than a semicircle is less than a** rig/it angle; and \he angle in a segment less than a semicircle is greater than a right angle. Let... | |
| Nathaniel Bowditch - 1846 - 451 sider
...AB, are ernial to each other ; for they are all measured by the same arc, viz. half the arc AB. XLII. **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 1еяч than a... | |
| Euclides - 1846
...bisected in DQEF PROP. XXXI. THEOR. In any circle, tJie 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 less than a semicircle is greater than a right angle. Let ABCD be a circle,... | |
| the london university calendar - 1846
...(2.) &— xy=48y\ xy— y*=3x J ' (3.) *+— a«=0. 9. 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 angle in a segment less than a semicircle is greater than a right angle. 10. Inscribe in a... | |
| Great Britain. Council on Education - 1848
...parallelogram is double of the triansle. 3. In a circle, the angle in a semicircle is a right anile; but the **angle in a segment greater than a semicircle is less than a right angle,** and the angle in a segment less than a semicircle is greater than a right angle. 4. To describe a circle... | |
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