Arcs & Angles of Circles

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Presentation transcript:

Arcs & Angles of Circles

an angle whose vertex is the center of a circle Central Angle an angle whose vertex is the center of a circle

an unbroken part of a circle consisting of two endpoints 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.

Find each measure. mJKL

Find each measure. mLJN

Congruent Arcs In the figure ST  UV. two arcs, in the same circle or two congruent circles, that have the same measure. In the figure ST  UV.

TV  WS. Find mWS.

C  J, and mGCD  mNJM. Find NM.

C  J, and mGCD  mNJM. Find NM.

PT bisects RPS. Find RT.

Find each measure. A  B, and CD  EF. Find mCD.

Find NP.

Find each measure. 1. NGH 2. HL