Question 1166904
Calculate the length of a tangent to the circle: x^2+y^2+8x−2y−8=0 at its point of tangency from the point P(2,4) which is off the circle.
====================
Find the center of the circle O (h,k).
Find the distance OP.
----
Call the Tangent points P1 and P2.
bb later to finish.