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Mathematics
Mathematics
Problem
From an external point
P
P
P
, a tangent
P
T
PT
P
T
and a secant
P
A
B
PAB
P
A
B
are drawn to a circle. The tangent
P
T
PT
P
T
has length
6
6
6
units. The chord
A
B
AB
A
B
within the secant has length
5
5
5
units. If the external segment
P
A
PA
P
A
is length
x
x
x
, find the value of
x
x
x
.
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