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Secants which intersects in a circle

High School Math based on the topics required for the Regents Exam conducted by NYSED.

 

 

Angles in a Circle
This episode deals with angles formed with vertices inside the circle.

 

 

Angle formed by 2 chords in a circle

 

 

Chords and Arc Problem Solving
Learn problem solving for angles in circles using properties

 

 

Secants:
A secant is a line, ray, or line segment that intersects a circle in two places.
Three points are covered:
(1) secants that intersect in a circle which divide each other proportionally,
(2) the angle formed by secants which intersects in a circle and is half the sum of the intercepted arcs,
and (3) two secants drawn from the same point outside a circle that form an angle whose measure is half the difference of the intercepted arcs.

 

 

 

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