Secant- Al line that intersects a circle in two points.
Secants create chords.
Interior Angle Theorem:
Definition: Angles that are formed by two intersecting chords.
The measure of the angle formed by two intersecting chords is equal to 1/2 the sum of the measure of the intercepted arcs.
Exterior Angles
An Angle formed by two secants and two tangents or a secant and a tangent drawn from a point outside the circle.
the measure of the angle formed is one 1/2 the distance of the intercepted arcs.
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