This equation is the same as the general equation of a circle, it's just written in a different form. Example Find the equation of the circle with centre \((2, - 3)\) and radius \(\sqrt 7\).

Coronet Instructional Films: Mastering Graphing - Bar, Line, & Circle Graphs. Posted: March 17, 2025 | Last updated: July 11, 2025. This educational film teaches viewers how to construct ...

There is a trick to measure the area of a circle. In fact, this was a trick people used in the past to find the area under a curve on a graph (before technology gave us better methods).

Revise other graphs for your maths GCSE foundation and higher exams with Bitesize interactive practice quizzes ... Higher, The equation of a circle - Higher,the equation of the tangent to a ...