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ARCS AND CENTRAL ANGLES

ARCS AND CENTRAL ANGLES. Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs. Central Angles. A. VERTEX OF THE CENTRAL ANGLE IS THE CENTER OF THE CIRCLE. C. Circle B, Angle ABC. B. ARCS AND ARC MEASURE. Arc: part of a circle

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ARCS AND CENTRAL ANGLES

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  1. ARCS AND CENTRALANGLES Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs

  2. Central Angles A VERTEX OF THE CENTRAL ANGLE IS THE CENTER OF THE CIRCLE C Circle B, Angle ABC B

  3. ARCS AND ARC MEASURE Arc: part of a circle Arcs and central angles are measured in degrees A Arc AC and Central Angle ABC have the same measure C B

  4. MORE ABOUT ARCS • Minor Arc: arc AC measures less than 180 • Major Arc: arc DEF measures greater than 180 F C A D T . E B • Semicircle: arc PSR measure of exactly 180 . . S Q . P R

  5. ADJACENT ARCS • Adjacent arcs share a common endpoint • m arc AD + m arc DP equals m arc AP D A P G

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