Challenge Section
Vocab Review
A secant is a segment that passes through a circle at two points. A chord is part of a secant.
In the applet above, line EF and line BF are:
In the applet above, line DE and line BE are:
In the circumscribed angles we saw before, the equation for solving for the angle was outside angle = 1/2(far arc - near arc). What is the difference between the relationship in the far and near arcs in tangent-tangent problems and secant-secant problems or secant-tangent problems?