A circle is of radius 4 cm. tangents are drawn from a point 8 cm far from its centre. Their length is :

(a) 9 cm
(b) 4√5 cm
(c) 4√3 cm
(d) 5√3 cm

Anurag Mishra Professor Asked on 19th January 2016 in Maths.
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    Answer: (a) 9 cm 

    Anurag Mishra Professor Answered on 20th January 2016.
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