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Geometry <strong>Chapter</strong> <strong>10</strong> <strong>Study</strong> <strong>Guide</strong> Name___________Moody13. Arc Length: The length of an arc is a fraction of the circumference Cof a circle. The fraction is determined by the degree measure A of thearc. The following ratio can be used to find .Practice: DO: page 533: 14-4114. Theorem: In a circle or in congruent circles, two minor arcs arecongruent if and only if their corresponding chords are__________________.Pictured: If AB ≅ CD then______________AndACDIf AB≅ CD then _____________B15 . f the sides of a polygon are chords of a circle, then thepolygon is said to be _______________________ in thecircle and the circle is said to be _______________________about the polygon.16. Theorem: In a circle, if a diameter is perpendicular to a chord, the it______________ the chord and it also ________________ both of its arcs.Pictured: Given ○ G and EK ⊥ FJThen:_____ ≅ ___________ ≅ ___________ ≅ ______FKHGJE
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