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Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs ARCS AND CENTRAL ANGLES.

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Presentation on theme: "Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs ARCS AND CENTRAL ANGLES."— Presentation transcript:

1 Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs ARCS AND CENTRAL ANGLES

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

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

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

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


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