Q. 1 D4.7( 13 Votes )

# Choose correct al Given that OP = 5 cm

And AB = 24cm

We know that a perpendicular drawn from the center of a circle on its chord bisects

the chord.

AP = PB = 12 cm

In the right angled ΔOAP using Pythagoras theorem,

OA2 = OP2 + AP2

OA2 = 52 + 122

OA2 = 25 + 144

OA2 = 169

OA = 13cm

Hence, The correct option is B.

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