Question 1157898
You are standing 50 feet from the center of a circular swimming pool.  The distance from you to a point of tangency is 25 feet.  What is the approximate radius of the pool? Round to the nearest tenth.
----------------
The angle between the radius and any tangent line is 90 degs --> a right triangle.
---
50 feet is the hypotenuse of the right triangle.
{{{r^2 = 50^2 - 25^2}}}