Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
State the relationship between the distance
O
P
OP
O
P
of an external point
P
P
P
from the centre
O
O
O
of a circle, the radius
r
r
r
of the circle, and the length
P
T
PT
P
T
of the tangent drawn from
P
P
P
to the circle.
Browse the problem library