A-Level Maths (Edexcel)
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Paper 1 and Paper 2: Pure Mathematics
Coordinate geometry in the (x, y) plane
Circle Theorems Examples
13:07
Understand and use the coordinate geometry of the circle including using the equation of a circle in the form (x – a)² + (y – b)² = r². Completing the square to find the centre and radius of a circle; use of the following properties: ● the angle in a semicircle is a right angle ● the perpendicular from the centre to a chord bisects the chord ● the radius of a circle at a given point on its circumference is perpendicular to the tangent to the circle at that point.
Spec
(P1P2)3.2
This video covers the following point of the Edexcel specification.
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