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Apply properties of arcs. Apply properties of chords.

Objectives. Apply properties of arcs. Apply properties of chords. A ______________ is an angle whose vertex is the center of a circle. An ____ is an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them. Writing Math.

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Apply properties of arcs. Apply properties of chords.

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  1. Objectives Apply properties of arcs. Apply properties of chords.

  2. A ______________is an angle whose vertex is the center of a circle. An ____is an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them.

  3. Writing Math Minor arcs may be named by two points. Major arcs and semicircles must be named by three points.

  4. Example 1: Data Application The circle graph shows the types of grass planted in the yards of one neighborhood. Find mKLF.

  5. _________________ are arcs of the same circle that intersect at exactly one point. RS and ST are adjacent arcs.

  6. Find mBD. Example 2a: Using the Arc Addition Postulate

  7. mJKL Example 2b Find each measure.

  8. mLJN Example 2c Find each measure.

  9. Within a circle or congruent circles, ____________________ are two arcs that have the same measure. In the figure STUV.

  10. TV WS. Find mWS. Example 3A: Applying Congruent Angles, Arcs, and Chords

  11. Example 3B: Applying Congruent Angles, Arcs, and Chords C  J, andmGCD  mNJM. Find NM.

  12. Step 1 Draw radius RN. Example 4: Using Radii and Chords Find NP. Step 2 Use the Pythagorean Theorem. Step 3 Find NP.

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