| Isaac Sharpless - 1882 - 266 páginas
...The angle in a semicircle is aright angle; the angle in a segment greater than a semicircle, is lens **than a right angle ; and the angle in a segment less...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... | |
| 1883
...the centre of a circle is double the angle at the circumference standing on the same arc. Deduce that **the angle in a segment greater than a semicircle is less than a right angle, and the angle in a** semicircle is a right angle. 8. Prove that, if a straight line touch a circle and from the point of... | |
| Henry Raper - 1882 - 910 páginas
...since IK aa diameter, the angle at M, a point on the circumference, is the angle in a semicircle. 142. **The angle in a segment greater than a semicircle is less than a right angle.** The segment BAG of the circle being greater than a semicircle, the other segment BDC must be less than... | |
| Euclid, Isaac Todhunter - 1883 - 400 páginas
...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... | |
| 1884
...line which joins their centres, being produced, shall pass through the point of contact. 9. In any **circle, the angle in a semicircle is a right angle,...less than a semicircle is greater than a right angle.** Prove that if circles be described on any two sides of a triangle as diameters they will intersect... | |
| Woolwich roy. military acad - 1884
...the chords so intercepted in each circle may be equal. 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.** When are segments of circles said to be similar ? If two circles touch each other externally, any straight... | |
| Euclides - 1884
...same base AB, and having its vertex on the are ADB. An angle in a semicircle is a right angle ; an **angle in a segment greater than a semicircle is less than a right angle ; and** an angle in a segment less than a semicircle is greater than a right angle. Let ABC be a circle, of... | |
| Oxford univ, local exams - 1885
...it into two equal parts. 7. Describe a square which shall be equal to a given rectilineal figure. 8. **In a circle the angle in a semicircle is a right angle;...less than a semicircle is greater than a right angle.** 9. Describe an isosceles triangle, having each of the angles at the base double of the third angle.... | |
| William Davis Haskoll - 1886 - 230 páginas
...such diameter, is equal to a right angle ; and the angle contained by a greater segment of a circle **than a semicircle is less than a right angle, and the angle** contained by a segment less than a semicircle is greater than a right angle. In any circle (fig. 41),... | |
| Dalhousie University - 1887
...the circle shall be in that line. 12. In a circle, the angle in a semi-circle is a right angle ; but **the angle in a segment greater than a semi-circle...than a semi-circle is greater than a right angle.** 13. TP, TQ, are the two tangents drawn to a circle from the point T. Find the centre C, and join CP,... | |
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