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Question

In figure 3.80, if PQ=6, QR=10, PS=8 find TS.
1042002_56a3428d624f4346a27ad7ca463b126a.png

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Solution

Here, we have, PS=8,PQ=6 and QR=10
PR=10+6=16
We know that if the chord of the circle intersect externally then the products of the segments of the chords are equal.
PS×PT=PQ×PR
8×PT=6×16
PT=12
Now, PT=PS+TS
TS=PTPS
TS=128
TS=4


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