Out of the two concentric circles, the radius of the outer circle is 5 cm and the chord AC of length 8 cm is a tangent to the inner circle. The radius of the inner circle will be
A. 3 cm
B. 4 cm
C. 2.5 cm
D. 2 cm
Answer:A
Out of the two concentric circles, the radius of the outer circle is 5 cm and the chord AC of length 8 cm is a tangent to the inner circle. The radius of the inner circle will be
A. 3 cm B. 4 cm C. 2.5 cm D. 2 cm