Radio and TV stations broadcast from high towers. Their signals are picked up by radios and TVs in homes within a certain radius. Because Earth is spherical, these signals don't get picked up beyond the point of tangency which could be calculated using the Pythagorean Theorem"
Question: Can you describe how you would calculate the point of tangency?
Solution Summary
The method of calculating the point of tangency is discussed.
... perpendicular to the radius to the point of tangency. ... tangent to a circle from a point outside the ... Let's find the length of OA using the Pythagorean theorem. ...
