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Jainendra kumar

· started a discussion

· 1 Months ago

Plz provide Explaination (Question: 190630.0 )

How is PT^2= PA*PB?

Pl. mention the name f theorem that i'm nt getting in ur eplanatn.

Question:
In the given figure, PAB is a secant and PT is a tangent to the circle from P. If PT = 5 cm, PA = 4 cm and AB = x cm, then find the value of x.


Options:
A) 2.5 cm
B) 2.6 cm
C) 2.25 cm 
D) 2.75 cm 
Solution:
Ans: (c)


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