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CBSE Class 10 Answered

find x
Asked by araima2001 | 08 Nov, 2015, 12:01: PM
answered-by-expert Expert Answer
PT is a tangent to the circle.
By tangent-secant property,
PT2= PA.PB
52=4 X (4 + x)
4+x = 25 / 4
x= (25/4) - 4
x = 9 / 4
Answered by satyajit samal | 09 Nov, 2015, 04:24: PM
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