O is the centre of a circle. P is an external point of it at a distanc – McqOptions

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1.	O is the centre of a circle. P is an external point of it at a distance of 13 cm from O. The radius of the circle is 5 cm. Then the length of a tangent to the circle from P upto the point of contact is :
A.
B.	cm.
C.	10 cm.
D.	12 cm.
E.	8 cm.
Answer» D. 12 cm.

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