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 Βιβλία Βιβλία 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. The Elements of Euclid, containing the first six books, with a selection of ... - Σελίδα 112
των Euclides - 1874
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## The School World: A Monthly Magazine of Educational Work and Progress, Τόμος 5

1903 - 692 σελίδες
...the same side of it, the four points lie on a circle. 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. The opposite angles of any quadrilateral inscribed in a circle are supplementary ; and the converse.... ## The Proportions and Movement of Slide Valves

William Dyson Wansbrough - 1903 - 182 σελίδες
...will be found in the well-known 31st Proposition of the Third Book of Euclid, which enunciates : — " In a circle, the angle in a semi-circle is a right...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." The... ## Manual

1903 - 898 σελίδες
...number of such quadrilateiuls can be drawn. 2. Show that an angle in a semicircle is a right angle, an angle in a segment greater than a semicircle is less than a light angle, and an angle in a segment less than a semicircle is greater than a right angle. Two fixed... ## A Text-book of Euclid's Elements for the Use of Schools, Βιβλίο 1

Euclid - 1904 - 488 σελίδες
...three, four, or six equal parts. PROPOSITION 31. THEOREM. The angle in a semicircle is a right angle. The angle in a segment greater than a semicircle is less than a right angle. The angle in a segment less than a semicircle is greater than a right angle. F, Let ABCD be a circle,... ## The Educational Ideas of Pestalozzi

John Alfred Green - 1905 - 266 σελίδες
...ANGULAR PROPERTIES. THEOREM [ AC.4J. — (i) Any angle In a semi-circle In a right angle, (ii) Any angle in a segment greater than a semicircle is less than a right angle, (iii) Any angle in a segment less than a semi-circle is greater than a right angle. In Figs. 290, 291,... ## Calendar, Μέρος 1

University of Calcutta - 1907 - 458 σελίδες
...the same side of it, the four points lie on a circle. The angle in a semi-circle is a right angle ; the angle in a segment greater than a semi-circle...than a semi-circle is greater than a right angle. The opposite angles of any quadrilateral inscribed in a circle are supplementary ; and the converse.... ## Calendar

University of Allahabad - 1907 - 528 σελίδες
...the same side of it, the four points lie on a circle. The angle in a semi-circle is a right angle, the angle in a segment greater than a semi-circle...less than a semicircle is greater than a right angle. The opposite angles of any quadrilateral inscribed in a circle are supplementary ; and the converse.... ## Calendar, Μέρος 3

University of Calcutta - 1907 - 446 σελίδες
...draw the least possible chord. 4 6. In a circle the angle in a semicircle is a right angle, bnt the 8 angle in a segment greater than a semicircle is less...less than a semicircle is greater than a right angle. AB is a fixed diameter of a given circle, and PQ a variable chord of 7 length eqnal to the radius:... ## Calendar

University of Allahabad - 1908 - 566 σελίδες
...the same side of it, the four points lie on a circle. . 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 the ancrle in a segment less than a semicircle is greater than a light angle. The opposite angles of any... ## The Practice of Navigation and Nautical Astronomy

Henry Raper - 1908 - 1020 σελίδες
...the arc BDC, that is, by a quantity less than half 180° (No. 140), is less than a right angle. 143. The angle in a segment less than a semicircle is greater than a right angle. The segment BAG being less than a semicircle, the segment BDC must be greater than a semicircle, and...