In the adjoining figure, O is the centre of the circle. If OA = 5 cm, AB = 8 cm and OD ⊥ AB, then length of CD is equal to :
A. 2 cm
B. 3 cm
C. 4 cm
D. 5 cm
Answer:A
In the adjoining figure, O is the centre of the circle. If OA = 5 cm, AB = 8 cm and OD ⊥ AB, then length of CD is equal to :
A. 2 cm B. 3 cm C. 4 cm D. 5 cm