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Circle Vocab


How to find a central angle. It is equal to the arch opposite to it.
How to find an inscribed angle. The arch opposite it divided by two.
How to find an angle formed by tangent and a chord. Minor arch divided by two.
Angle formed by two intersecting lines. (Opposite arc 1 + arch 2) divided by 2.
Angle formed by two secants. (Farthest arch- closer arch) divided by 2.
Angle formed by a secant and a tangent. (Longer arch - shorter arch) divided by 2.
Angle formed by two tangents. (Longer arch - shorter arch) divided by 2.
Arcs formed by two parallel chords. The distances between two lines are equal.
Arcs formed by two congruent chords. Arcs are congruent.
Arc formed by a radius and tangent. Angle is 90.
Created by: emarciante9