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Q.

The angle between two radii of a circle is 130⁰, then the angle between the tangents at the ends of the radii will be,


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a

60°  

b

40°  

c

50°  

d

20°   

answer is C.

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Detailed Solution

Given are the following figure and the values,
Question Image OA  and OB  are the two radii of a circle.
AP  and BP  are the tangents.
AOB=130°   By angle sum property in quadrilateral OAPB  ,
Thus the angle between the tangents at the ends of the radii is 50°  .
Therefore the correct option will be 3.
 
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