Mathematics

Problem

From an external point

P

, a tangent

PT

of length

6\,\text{cm}

is drawn to a circle whose centre is

O

. If

OP=10\,\text{cm}

, what is the radius of the circle? a)

6\,\text{cm}

8\,\text{cm}

4\,\text{cm}

12\,\text{cm}