Question

P is a point on outside the circle and PAB is a secant and t is another point on circle and Pt is a tangent on circle A B t are points on circle while Pt is 5 cm and PA is 4 cm and AB is x .find value of x​

Answer 1

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Step-by-step explanation:

PT = 5 cm.

PA = 4 cm.

PB = (4 + x) cm.

As we know that,

PT2=PA×PB

25=4(4+X)

25=16+4X

X=94cm.