Elements of Geometry and Trigonometry, with Notes |
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Common terms and phrases
altitude angle ACB angle BAC bisect centre chord circ circle circular sector circumference circumscribed common cone construction continued fraction convex surface cosines cylinder diagonals diameter draw drawn equal angles equation equivalent figure formed formulas frustum given angle given line gles greater homologous sides hypotenuse inclination inscribed intersection isosceles less Let ABC let fall likewise mean proportional measure multiplied number of sides oblique lines opposite parallel parallelogram parallelopipedon pendicular perimeter perpendicular plane MN polyedron prism proposition pyramid SABC quadrilateral quantities radii radius ratio rectangle regular polygon respectively equal right angles right-angled triangle SABC Scholium sector segment semicircumference similar sines solid angle solid described sphere spherical polygons spherical triangle square straight line suppose tang tangent THEOREM third side three angles trian triangle ABC triangular prism triangular pyramids vertex vertices