The distance from the centre of a circle to the circumference. The plural of radius is radii.


🔑 Key Radius Topics: Parts of a Circle, Area of a Circle, Circumference of a Circle, Circle Theorems
👀Also Look Up: Circle, Diameter, Sector

5 thoughts on “Radius

  1. Pingback: Diameter – Maths Definitions

  2. Pingback: Sector – Maths Definitions

  3. Pingback: Circumference – Maths Definitions

  4. Pingback: Arc – Maths Definitions

  5. Pingback: Circumference – Maths Definitions

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