The length of the tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. The radius of the circle is
A. 3 cm
B. 2 cm
C. 5 cm
D. 4 cm
Answer:A
The length of the tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. The radius of the circle is
A. 3 cm B. 2 cm C. 5 cm D. 4 cm