| Robert Simson - 1762 - 488 pagine
...greater than a femicircle is lefs than a right angle ; and the angle in a fegment lefs than, a femicircle is greater than a right angle. \ Let ABCD be a circle, of which the diameter is BC, and center E; and draw CA dividing the circle into the fegments ABC, ADC, and join BA, AD, DC. the angle... | |
| Robert Simson - 1775 - 534 pagine
...right angle ; and the angle in a fegment lefs than a femieircle is greater than a right angle. i • Let ABCD be a circle, of which the diameter is BC, and center E ; and draw CA dividing the circle into the ferments ABC, ADC, and join BA, AD, DC ; the angle... | |
| Euclid - 1781 - 552 pagine
...greater than a femicircle is lefs than a right angle ; and the angle in a fegment lefs than a femicircle is greater than a right angle. Let ABCD be a circle, of which the diameter is BC, and centre E ; and draw CA dividing the circle into the fegments ABC, ADC, and join BA, AD, DC ; the angle in the... | |
| Euclid, John Playfair - 1795 - 462 pagine
...greater than a femicircle is lefs than a right angle ; and the angle in a fegment lefs than a femicircle is greater than a right angle. Let ABCD be a circle, of which the diameter is BC, and centre E ; arid draw CA dividing the circle into the fegments ABC, ADC, and join BA, AD, DC; the angle in the... | |
| Alexander Ingram - 1799 - 374 pagine
...angle ; and the angle in a fegment lefs than a femicircle, is greater than a right angle. Let a 5. i. Let ABCD be a circle, of which the diameter is BC, and BooK III. centre E ; and draw CA, dividing the circle into the fegments ABC, ADC, and join BA, AD,... | |
| John Playfair, Euclid - 1804 - 468 pagine
...the angle in a fegment lefs than a femicircle is greater than a right angle. to EBA ; al£o, becaufe Let ABCD be a circle, of which the diameter is BC,...and centre E ; draw CA dividing the circle into the fegments ABC, ADC, and join BA, AD, DC ; the angle in the femicircle BAC is a right angle ; and the... | |
| Robert Simson - 1804 - 530 pagine
...greater than a" femicircle is lefs than a right angle ; and the angle in a fegment lefs than a femicircle is greater than a right angle. Let ABCD be a circle, of which the diameter is BC, and cenr ter E ; and draw CA dividing the circle into the fegments ABC, ADC, and join BA, AD, DC. the angle... | |
| Robert Gibson - 1806 - 486 pagine
...angle ADB is less than half a semicircle, and consequently less than a right angle, fig. 26. Cor. 4. An angle in a segment less than a semicircle, is greater than a right angle, for since the arc AEC is greater than a semicircle, its half, which is the measure of the angle ABC,... | |
| Robert Simson - 1806 - 546 pagine
...if 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 : wherefore, if the given triangle be acute angled, the centre of the circle falls within it ; if it... | |
| Robert Gibson - 1808 - 482 pagine
...angle ADB is less than half a semicircle, and consequently less than a right angle, fig. 26. Cor. 4. An angle in a segment less than a semicircle, is greater than a right angle, for since the arc AEC is greater than a semicircle, 'its half, which is the measure of the angle ABC,... | |
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