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Mathematics

Assertion (A): In two concentric circles, the chord of the larger circle, which touches the smaller circle, is bisected at the point of contact.

Reason (R): A line joining centre to any point of a chord of a circle bisects the chord.

  1. A is true, R is false

  2. A is false, R is true

  3. Both A and R are true

  4. Both A and R are false

Circles

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Answer

In concentric circles, a chord of the larger circle touching the smaller circle is bisected at the point of contact.

Assertion (A) is true.

A line from the centre bisects a chord only when it is perpendicular to the chord, not to any point on the chord.

Reason (R) is false.

A is true, R is false.

Hence, option 1 is the correct option.

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