Co-ordinate Geometry

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The Line

Mid-point formula problem

Slope of a line

Distance formula problem

Finding the Equation of a Line

The Equations of Parallel and Perpendicular Lines

Distance from a point to a line (Examples)

The Angle between two Lines (Examples)

Deriving the Formula for Dividing a Line Segment in the Ratio a:b

Dividing a Line Segment into a given Ratio (Examples)

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The Circle

Question and Solution for "Circle" question from Revision Class

###### The Circle with Centre (h,k) and radius r

###### The Perpendicular from the centre bisects a Chord

The Equation of Circles

The Equations of Tangents to Circles 1

The Equations of Tangents to Circles 2

The Equations of Tangents to Circles 2

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Deriving the "Distance from a Point to a Line" Formula