Institutions have accepted or given pre-approval for credit transfer.
* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 22 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
Using the Pythagorean Theorem to Determine Whether a Line is Tangent to a Circle
In this lesson, we'll use the pythagorean theorem, plus the fact that tangent lines are perpendicular to the radius of a circle drawn to the point of tangency, to determine whether a line is, in fact, tangent to a circle!