Mathematics GCSE
Radius and tangent perpendicularity
What Radius and tangent perpendicularity means in Mathematics GCSE, as defined for AQA.
Definition of Radius and tangent perpendicularity
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Reference: AQA
The tangent is perpendicular to the radius, so its gradient is the negative reciprocal of the gradient of the radius joining the origin to that point.
Topics that use Radius and tangent perpendicularity
- Graphs (AQA GCSE)
Related terms
- Area under a graph as an accumulated total
- Asymptote
- Asymptotes
- Asymptotes and domain restrictions
- average rate of change
- Chord
- Circle equation centred at the origin
- Coefficient
Using Radius and tangent perpendicularity in the exam
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