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Sum

In a circle with centre P, chord AB is drawn of length 13 cm, seg PQ ⊥ chord AB, then find l(QB).

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#### Solution

P is the centre of the circle.

AB = 13 cm

seg PQ ⊥ chord AB

Perpendicular drawn from the centre of the circle to the chord bisects the chord.

So, the length of QB = `1/21`

Concept: Properties of Chord of a Circle

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