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Arcs & Angles of Circles. Central Angle. an angle whose vertex is the center of a circle. Arc. an unbroken part of a circle consisting of two endpoints. Adjacent Arcs. arcs of the same circle that intersect at exactly one point. RS and ST are adjacent arcs. m JKL.
E N D
Central Angle an angle whose vertex is the center of a circle
Arc an unbroken part of a circle consisting of two endpoints
Adjacent Arcs arcs of the same circle that intersect at exactly one point. RS and ST are adjacent arcs.
mJKL Find each measure.
mLJN Find each measure.
Congruent Arcs two arcs, in the same circle or two congruent circles, that have the same measure. In the figure STUV.
Find each measure. A B, and CD EF. Find mCD.
Find each measure. 1. NGH 2. HL