In fig., two concentric circles with centre O are shown. AB and APQ are tangents to the inner circle from point A lying on the outer circle. If AB = 7.5 cm, then AQ is equal to:
A. 18 cm
B. 15 cm
C. 12 cm
D. 10 cm
Answer:B
In fig., two concentric circles with centre O are shown. AB and APQ are tangents to the inner circle from point A lying on the outer circle. If AB = 7.5 cm, then AQ is equal to:
A. 18 cm B. 15 cm C. 12 cm D. 10 cm