Tangent to a circle

Last updated: 16/11/2021
Contributor: Teachit Author
Image of tangent to a circle resource
Main Subject
Key stage
Maths: Geometry and measures
Resource type
Complete lesson

A KS4 PowerPoint resource that can be used to introduce and practise concepts around finding the tangent to a circle. The 'warmup' activity assumes knowledge of:

  • equation of a circle
  • gradients of parallel and perpendicular lines
  • finding the equation of a line
  • solving simultaneous equations.

The PowerPoint then focuses on combining these to find the equation of a tangent to a circle. There are three worksheets (resource 107541) that work very well alongside the PowerPoint and are differentiated with red (full support), amber (some support)
and green (no support) tasks.

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