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Question

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

A circle of centre P is drawn,

Chord AB is drawn of length 13cm as shown in figure. Let Q is the point on AB in such a way that PQAB.

we know, the chord is bisected by a line passing through centre and perpendicular upon it. here,

chord AB is perpendicular upon PQ.

so, AQ=QB=AB2

AQ=QB=132=6.5 cm

hence, length of QB=6.5 cm



1325611_1363000_ans_59a03cdc7f5a4a8b950024783236f24b.jpg

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