Mathematics GCSE
Tangent and chord properties
What Tangent and chord properties means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Tangent and chord properties
Check what you remember
Read the wording for your board, then hide it and explain Tangent and chord properties in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A radius is perpendicular to a tangent at the point of contact, tangents from an external point are equal in length, and the perpendicular from the centre to a chord bisects it.
Topics that use Tangent and chord properties
- Geometry and measures - Properties and constructions (Pearson Edexcel GCSE)
Related terms
- Alternate segment
- Angle properties
- Angle properties in circles
- Arc
- centre
- Chord
- Circumference
- Congruence and similarity
Using Tangent and chord properties in the exam
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