Q. 16 A23.7( 7 Votes )

# The length of a radius of a circle is 13 cm. and the length of a chord of a circle is 10 cm, the distance of the chord from the centre of the circle isA. 12.5 cmB. 12 cmC. D. 24 cm

Given radius = 13cm, PQ = 10cm

PD

PD

PD = 5cm

Using Pythagrus theorem in O PD

OP2 = OD2 + PD 2

132 = OD2 + 52

OD2 = 169-25

OD2 = 144

OD = 12cm

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