O is the centre of a circle and AB is the tangent to it touching at B. – McqOptions

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1.	O is the centre of a circle and AB is the tangent to it touching at B. If OB = 3 cm. and OA = 5 cm, then the measure of AB in cm is
A.
B.	<span style=" text-decoration: overline;">34</span>
C.	2
D.	8
E.	4
Answer» E. 4

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