plz solve this sum. plz...
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Theorem
When a chord and tangent externally or internally intersect at a point , then the square of the tangent is equal to the product of the chords.
Given :
PQ = 12
PR = 8
PS = ?
Finding PS
According to the Theorem :
PQ² = PR × PS
==> 12² = 8 × PS
==> PS = 144/8
==> PS = 18
Thus PS = 18 units
Hope it helps :-)
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