Posts tagged 'angle-of-segment'
G.117 angle of a circle segment
An:term:**angle of a segment** <angle-of-segment> is that contained by a:term:segment <G.4> and a arc of a:term:circle <G.10>.
G.118 perpendicular at extremity of a diameter is tangent
The line drawn at right angles to the diameter of a circle from its extremity falls outside the circle, no other line can be interposed between it and the arc, and the angle of the semicircle is greater than any acute rectilineal angle.