 The angle which an arc of a circle subtends at the centre is double that which it subtends at any point oil the remaining part of the circumference.  Calendar - Σελίδα 225των University of Allahabad - 1907Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | University of Calcutta - 1911 - 760 σελίδες
...the Algebraical identity o«— 6»=(o+6)(o— 6). Enunciate the Theorem which corresponds to 5 9. If two circles touch, the point of contact lies on the straight 7 line through the centres. Prove that, if two circles touch, the distance between their 7 centres... | |
 | Great Britain. Board of Education - 1912 - 1044 σελίδες
...equal. 27. Equal chords of a circle are equidistant from the centre ; and the converse. 28. The tangent at any point of a circle and the radius through the point are perpendicular to one another. 29. If two circles touch, the point of contact lies on the straight line through the centres. 30. The... | |
 | Great Britain. Board of Education - 1912 - 632 σελίδες
...the other circle in P, Q, respectively. Prove that PQ is parallel to CD. /3 7. Prove that the tangent at any point of a circle and the radius through the point are perpendicular to one another. Two circles whose centres are A and B touch externally at C. The common tangent at C meete another... | |
 | Edward L. Bates, Frederick Charlesworth - 1912 - 648 σελίδες
...larger segment P/, 3 Q, and the larger angle 'p is the angle in the smaller segment PBQ. 144. Theorem. The angle which an arc of a circle subtends at the centre is double the angle it subtends at any point on the circumference. For, let 0 and ';,, Fig. 143, be the angles... | |
 | University of South Africa - 1913 - 768 σελίδες
...point in common which will be on the line joining the centres. Definition of tangency of two circles. The angle which an arc of a circle subtends at the...centre is double that which it subtends at any point in the remaining part of the circumference. Angles in the same segment of a circle are equal, and if... | |
 | University of Calcutta - 1914 - 430 σελίδες
...point, ]jsj (i) they are equal, (ii) they subtend equal angles at the centre of j™ the circle. ga| If two circles touch, the point of contact lies on the straight am line through the centres. tw The angle which an arc of a circle subtends at the centre is double... | |
 | Edson Homer Taylor - 1915 - 552 σελίδες
...are equal. Equal chords of a circle are equidistant from the center; and the converse. The tangent at any point of a circle and the radius through the...point of contact lies on the straight line through the centers. The angle which the arc of a circle subtends at the center is double that which it subtends... | |
 | 1915 - 906 σελίδες
...are equal. Equal chords of a circle are equidistant from the center; and the converse. The tangent at any point of a circle and the radius through the...point of contact lies on the straight line through the centers. The angle which the arc of a circle subtends at the center is double that which it subtends... | |
 | 1915 - 816 σελίδες
...are equal. Equal chords of a circle are equidistant from the center; and the converse. The tangent at any point of a circle and the radius through the...point of contact lies on the straight line through the centers. The angle which the arc of a circle subtends at the center is double that which it subtends... | |
 | United States. Office of Education - 1915 - 1296 σελίδες
...are equal. Equal chords of a circle are equidistant from the center; and the converse. The tangent at any point of a circle and the radius through the...point of contact lies on the straight line through the centers. The angle which the arc of a circle subtends at the center is double that which it subtends... | |
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