1. The diameter of a circle is 19 inches. If the diameter is extended 5 inches beyond the circle to point C, how long is the tangent segment from point c to the circle( plz show me how to set up the problem)?

2. A satellite orbits the earth so that it remains at the same point above the Earth's surface as the Earth turns. If the satellite has a 50 degree view of the equator, what percent of the equator can be seen from the satellite?