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Solution


Q.

Assertion (A): A tangent to a circle is perpendicular to the radius through the point of contact.

Reason (R): The lengths of tangents drawn from an external point to a circle are equal.
1 Both, Assertion (A) and Reason (R) are true and Reason (R) is correct explanation of Assertion (A).  
2 Both, Assertion (A) and Reason (R) are true but Reason (R) is not correct explanation for Assertion (A).  
3 Assertion (A) is true but Reason (R) is false.  
4 Assertion (A) is false but Reason (R) is true.  

Ans.

(2)

Both Assertion (A) and Reason (R) are true statements but Reason (R) is not the correct explanation of Assertion (A).