−, O, sp. A, PQ, PQ, Q. E. D., Parallel. Less than. Greater than. Parallelogram. Parallelograms. Perpendicular. Circle, or circumference (depending on the context). The straight line segment PQ. The arc PQ. Quod Erat Demonstrandum (which was to be proved). Q. E. F., Quod Erat Faciendum (which was to be done). −, O, sp. A, PQ, PQ, Q. E. D., Angle. Angles. Plane triangle. Plane triangles. Equals, or is equal to. Parallel. Less than. Greater than. Parallelogram. Perpendicular. Circle, or circumference (depending on the context). The straight line segment PQ. The arc PQ. Quod Erat Demonstrandum (which was to be proved). Q. E. F., Quod Erat Faciendum (which was to be done). |