Library of Useful Knowledge: Mathematics I.

A B C ABCD altitude axes axis base bisected centre chord circle circumference circumscribed common measure common section cone conic section contained convex surface curve cylinder diameter difference dihedral angle distance divided draw drawn ellipse equal angles equation formula Geometry given point given straight line gles greater hence hyperbola hypotenuse inscribed join Latus Rectum less likewise locus magnitudes meet parabola parallel parallelogram parallelopiped pass perimeter perpendicular perspective projection plane polygon prism produced projection PROP proportionals proposition pyramid quadrilateral radii radius ratio rectangle rectilineal figure regular polygon respectively right angles Scholium segment similar sine solid angles solid content sphere spherical angle spherical arc spherical triangle square tangent three sides triangle ABC values vertex vertical