 | Edward J. Cowling Welch - 1875 - 244 páginas
...3ist Proposition of the 3rd Book of Euclid's Elements, and stated in the enunciation to be, that " in a circle the angle in a semicircle is a right angle...less than a semicircle is greater than a right angle" is the basis upon which the system, applied in the following pages, is directly founded : and it is... | |
 | Edward J. Cowling Welch - 1875 - 240 páginas
...Elements, and stated in the enunciation to be, that "in a circle the angle in a semicircle is a rig/lit angle ; but the angle in a segment greater than a...than a semicircle is greater than a right angle," is the basis upon which the system, applied in the following pages, is directly founded : and it is... | |
 | Edward Atkins - 1876 - 130 páginas
...(III. 1, cor.); Therefore the arc AD is equal to the arc DB. Therefore, the given arc is bisected in DQEF Proposition 31. — Theorem. In a circle, the...than a semicircle is greater than a right angle. Let ABC be a circle, of which BC is a diameter, and E the centre; and draw CA, dividing the circle into... | |
 | Education Department,London - 1876 - 1010 páginas
...inscribed quadrilateral and the opposite exterior angle meet in the circumference. SECTION III. 1. In a circle, the angle in a semicircle is a right...less than a semicircle is greater than a right angle. The greatest rectangle that can be inscribed in a circle is a square. Divide a circle into two segments,... | |
 | Robert Potts - 1876 - 446 páginas
...the angle in a lemicircle i3 a right angle ; but the angle in a segment greater than a semicircle ii less than a right angle ; and the angle in a segment...than a right angle. Let ABCD be a circle, of which the diameter isBC, and center E, and let CA be drawn, dividing the circle into the segments ABC, ADC.... | |
 | 1876 - 710 páginas
...Give the algebraical equivalent of this proposition. 6. The angle in a semi-circle is a right angle, the angle in a segment greater than a semi-circle is less than a right angle, and in a segment less than a semi-circle it is greater than a right angle. Show how this follows from the... | |
 | Richard Wormell - 1876 - 268 páginas
...is a right angle ; the angle in a segment less than a semicircle is greater than a right angle ; and the angle in a segment greater than a semicircle is less than a right angle. Let А В be a diameter and А С a chord of a circle, ADBE ; then Л А С В in the semicircle AC... | |
 | 1877 - 678 páginas
...points, and touching a given circle. 7. In any 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 sides of two acute-angled triangles inscribed in the same circle cannot intersect in fewer than... | |
 | Samuel H. Winter - 1877 - 452 páginas
...Prove by means of the equation to a circle that the angle in a semicircle is a right angle, and that the angle in a segment greater than a semicircle is less than a right angle. 13. Find the equation to the tangent of an ellipse; prove that from a given point two tangents can... | |
 | Āryabhaṭa - 1878 - 100 páginas
...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 (24. cor.}. Conversely, if the given trwngle le acute-angled, tht centre of the circle falls within... | |
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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. 
