If PT is the tangent to the circle as shown below and PA = 9 and PB = 16, find PT.

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Solution

The correct option is C
12

PA.PB = PT $^{2}$ $\Rightarrow$ PT = 12

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Similar questions

In the figure given below PT is a tangent to the circle. The ratio

$\frac{P A \times P B}{C D \times B D}$ =?

P A B

O

A

B

P T

P A \times P B = P T^{2}

Find the radius of the circle with centre O. PT is a tangent and AB is perpendicular to PT. PA and PB is 4 cm and 2 cm respectively.

P (A) = \frac{7}{13}, P (B) = \frac{9}{13}

P (A \cap B) = \frac{4}{13}

P (A / B)

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