Elements of Geometry and Trigonometry |
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Page 41
... called the centre . The circle is the space terminated by A this curved line . * 2. Every straight line , CA , CE , CD , drawn from the centre to the circum- ference , is called a radius or semidiam- F H eter ; every line which , like ...
... called the centre . The circle is the space terminated by A this curved line . * 2. Every straight line , CA , CE , CD , drawn from the centre to the circum- ference , is called a radius or semidiam- F H eter ; every line which , like ...
Page 143
... called the base of the pyramid , the point S the vertex ; and the triangles ASB , BSC , CSD , & c . form its convex or lateral sur- face . 11. If from the pyramid S - ABCDE , the pyramid S - abcde be cut off by a plane parallel to the ...
... called the base of the pyramid , the point S the vertex ; and the triangles ASB , BSC , CSD , & c . form its convex or lateral sur- face . 11. If from the pyramid S - ABCDE , the pyramid S - abcde be cut off by a plane parallel to the ...
Page 213
... called graphic methods , though perfectly correct in theory , would give only a moderate approximation in practice , on account of the im- perfection of the instruments required in constructing them . Trigonometrical methods , on the ...
... called graphic methods , though perfectly correct in theory , would give only a moderate approximation in practice , on account of the im- perfection of the instruments required in constructing them . Trigonometrical methods , on the ...
Contents
BOOK | 7 |
Problems relating to the First and Third Books 57 | 57 |
BOOK IV | 68 |
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Common terms and phrases
adjacent adjacent angles altitude angle ACB angle BAC ar.-comp base multiplied bisect Book VII centre chord circ circumference circumscribed common cone consequently convex surface cosine Cotang cylinder diagonal diameter dicular distance divided draw drawn equally distant equations equivalent feet figure find the area formed four right angles frustum given angle given line gles greater homologous sides hypothenuse inscribed circle inscribed polygon intersection less Let ABC number of sides opposite parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN polyedron polygon ABCDE PROBLEM Prop proportional PROPOSITION pyramid quadrant quadrilateral quantities radii radius ratio rectangle regular polygon right angled triangle S-ABC Scholium secant segment similar sine slant height solid angle solid described sphere spherical polygon spherical triangle square described straight line TABLE OF LOGARITHMIC tang tangent THEOREM triangle ABC triangular prism vertex