Secants - Concept

Concept Concept (1)

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.

Sample Sample Problems (4)

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Secants - Problem 1
Problem 1
How to find the angle measures formed by intersecting secants.
Secants - Problem 2
Problem 2
How to find angle and arc measures formed by intersecting secants and tangents.
Secants - Problem 3
Problem 3
How to find the length of intersecting secant segments.
Secants - Problem 4
Problem 4
How to fin the length of secant segments drawn from points outside a circle.
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