The measure of the (angle ATP ) is 90 degrees.
What is the tangent?
The normal line is defined as the line that is perpendicular to the tangent line at the point of tangency.
As RT is a tangent on point P, so it will form a right angle at point P with the radius.
So, angle APT = 90 degrees.
Option D is the correct option.
To learn more about the tangent visit:
https://brainly.com/question/4470346
