Question

Question on image. (5)

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Answer 1

AD = 6

Explanation:

If a radius is perpendicular to a chord, then it bisects the chord.

Here XB is the radius, AC is the chord. Given XB and AC are perpendicular to each other. Therefore, XB bisects AC at D.

So,

`AD = (1)/(2) * AC = (1)/(2) * 12 = 6`