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Mathematics
Mathematics
Problem
Let
P
P
P
be a point outside a circle with centre
O
O
O
and radius
r
r
r
cm. If
O
P
=
r
+
4
OP = r + 4
O
P
=
r
+
4
cm and the length of the tangent from
P
P
P
to the circle is
3
5
r
\dfrac{3}{5}r
5
3
r
cm, determine the values of
r
r
r
and the tangent length.
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