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Tangent and Chord Rules Arc Length and Sector Area

Tangent and Chord Rules Arc Length and Sector Area. Accelerated Math 2. Chord. Two minor arcs are congruent if and only if their corresponding chords are congruent. . Tangent. Remember: A tangent is perpendicular to the radius

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Tangent and Chord Rules Arc Length and Sector Area

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  1. Tangent and Chord RulesArc Length and Sector Area Accelerated Math 2

  2. Chord • Two minor arcs are congruent if and only if their corresponding chords are congruent.

  3. Tangent • Remember: A tangent is perpendicular to the radius • Also, if two tangents start at the same point, then they are congruent.

  4. Chords and Diameter • If one chord is a perpendicular bisector of another chord, then the first chord is a diameter. • All of the following congruencies will be true:

  5. Arc Length • Arc Length is a partial circumference • Arc Length differs from Arc Measure in that it is measured in units (cm, ft, in……) Arc Measure is measured in degrees • Formula:

  6. Sector Area • Usually a shaded area, like a slice or multiple slices of pizza • Sector Area is a partial area • Formula:

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