Y1 Pure, Chapter 6:

Circles

Y1 Pure Chp6 KO.pdf

Knowledge organiser

Edexcel AS level - P1 Ch6 - Circles.pdf

Textbook chapter

Y1 Pure Chp6 Solutions.pdf

PMT solutions

Y1 Pure 6.1

Midpoints and perpendicular bisectors

Midpoint between two points

+C1-02 (example)

Finding the perpendicular bisector of two points

+C1-17 (examples)

Finding where two lines intersect

Y1 Pure 6.2

Equation of a circle

Equation of the circle

+C2-02 (centre and radius)

Sketching circles

Different forms of the equation of a circle

+C2-05 (completing the square)

Y1 Pure 6.3

Intersection of straight lines and circles

Inequalities

Circles

Y1 Pure 6.4

Use tangent and chord properties

Tangents and normals (perpendicular)

Finding tangents and normals

Y1 Pure 6.5

Circles and triangles

Circle Theorem: angle in a semicircle is a right angle

Proving the chord joining A and B is a diameter

+C2-10 (perpendicular bisector)

Given 3 Points, find the centre & radius - example 1

+C2-12 (example 2)

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