Modern Methods in Elementary GeometryMacmillan, 1868 - 112 σελίδες |
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Αποτελέσματα 1 - 5 από τα 20.
Σελίδα 2
... passes over four right angles in an hour . All right angles are equal , and the space occupied by two right angles is always the same ; we shall often denote it by 2R . An obtuse angle is greater than a right angle . 2 ELEMENTARY GEOMETRY .
... passes over four right angles in an hour . All right angles are equal , and the space occupied by two right angles is always the same ; we shall often denote it by 2R . An obtuse angle is greater than a right angle . 2 ELEMENTARY GEOMETRY .
Σελίδα 22
... passing through A and B , P must be equally distant from A and B ; therefore it must lie somewhere on CD . In such a case CD is called the locus of P. THEOREM XX . Let AB , AC be two straight lines which meet in A , and let AD bisect ...
... passing through A and B , P must be equally distant from A and B ; therefore it must lie somewhere on CD . In such a case CD is called the locus of P. THEOREM XX . Let AB , AC be two straight lines which meet in A , and let AD bisect ...
Σελίδα 25
... passes through 0 . O. [ I. 19 . THEOREM XXII . The straight lines AD , BE , CF , which bisect the angles of a triangle ABC , meet in one point . A F D E B Let AD , BE intersect in 0 . Then since is a point on AD , it is equally distant ...
... passes through 0 . O. [ I. 19 . THEOREM XXII . The straight lines AD , BE , CF , which bisect the angles of a triangle ABC , meet in one point . A F D E B Let AD , BE intersect in 0 . Then since is a point on AD , it is equally distant ...
Σελίδα 26
... passes through 0 . [ 1. 20 . THEOREMS . 1. The straight lines which bisect two adjacent supple- mentary angles are perpendicular to one another . 2. If two straight lines cut one another , and straight lines be drawn bisecting the four ...
... passes through 0 . [ 1. 20 . THEOREMS . 1. The straight lines which bisect two adjacent supple- mentary angles are perpendicular to one another . 2. If two straight lines cut one another , and straight lines be drawn bisecting the four ...
Σελίδα 31
... passes through C , and is the line required . Secondly . From a given point without it as C. With centre C and a distance greater than the distance of C from AB describe a circumference cutting AB in D and E. C is equally distant from D ...
... passes through C , and is the line required . Secondly . From a given point without it as C. With centre C and a distance greater than the distance of C from AB describe a circumference cutting AB in D and E. C is equally distant from D ...
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A'BC Algebra alternate angle altitude angle equal arc CD ARITHMETIC BC² bisect BROOKE FOSS WESTCOTT CA² Cambridge centre chord circle touching circumference cloth coincide congruent CONIC SECTIONS contain convex angle convex polygon Crown 8vo diagonals diameter dicular divide Edward Thring ELEMENTARY TREATISE equal angles equally distant equally remote equiangular equiangular and similar equilateral triangle Examples exterior angle Fcap Find the locus GEOMETRY given angle given circle given line given point given straight line greater Hence intersect isosceles John's College late Fellow Let ABCD line drawn MATHEMATICAL measure meet middle point opposite sides parallel to CD parallelogram perpen perpendicular polygon produced quadrilateral figure radius rectangle right angles right-angled triangle Schools Second Edition segments Shew shortest line similar triangles student tangent THEOREM THEOREM VII Third Edition trapezium triangle ABC vertex