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CBSE Class 10 Maths (Standard) 2024 · Paper 30/S/1 · Question 20

Circles 1 mark Medium
Directions: A statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option.

Assertion (A): TA and TB are two tangents drawn from an external point T to a circle with centre 'O'. If then .

Reason (R): The tangent drawn at any point of a circle is perpendicular to the radius through the point of contact.

OABT75°
Two tangents TA, TB from external point T; angle TBA = 75 degrees
  1. (a)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  2. (b)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  3. (c)Assertion (A) is true, but Reason (R) is false.
  4. (d)Assertion (A) is false, but Reason (R) is true.

Answer

(d) Assertion (A) is false, but Reason (R) is true.

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