The length of the tangent from an external point A to a circle

Circles (10)

The length of the tangent from an external point A to a circle, of radius 3 cm, is 4 cm. The distance of A from the centre of the circle is

  1. 7 cm 
  2. 5 cm 
  3. √7 cm
  4. 25 cm

Answer

B. 5 cm

  • Exam Year: 2023