How Trigonometry Shapes the World,” Matt Parker recounts, for instance, how computers were a “game-changer in the field of ...

Higher; Circles and graphs Intersection of a line and circle. The equation of a circle can be found using the centre and radius. The discriminant can determine the nature of intersections between ...

Draw a line between the point of intersection of the new arcs and the point where both lines meet. ... Angles in triangles and quadrilaterals. count. 2 of 7. Intersecting and parallel lines. count.