question_answer

In the shown figure, AB is a diameter of the circle with centre O. If AC is a chord and OM is perpendicular on it where \[\mathbf{AB}\text{ }=\text{ }\mathbf{13}\text{ }\mathbf{cm}\] and \[\mathbf{BC}\text{ }=\text{ }\mathbf{5}\text{ }\mathbf{cm}\], then the length of OM is  ________

A) 6.25 cm

B)         3.25 cm

C)    3.5 cm   

D)                                                       2.5 cm

E)  None of these