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Notes on Arc Lengths and Areas of Sectors

Notes on Arc Lengths and Areas of Sectors. Precalculus 5.1. 5.1. Examples. Examples. II. Arc Lengths. ***When using this formula, you must be in radians!!. Examples:. Find the length of the arc intercepted by a central angle having each of the following measures . Examples.

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Notes on Arc Lengths and Areas of Sectors

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  1. Notes on Arc Lengths and Areas of Sectors Precalculus 5.1

  2. 5.1

  3. Examples

  4. Examples

  5. II. Arc Lengths ***When using this formula, you must be in radians!!

  6. Examples: • Find the length of the arc intercepted by a central angle having each of the following measures.

  7. Examples

  8. Word Problems Reno, NV, is due north of Los Angeles. The latitude of Reno is 40° N, while the latitude of Los Angeles is 34° N. If the radius of the Earth is 6400 km, find the north-south distance between the two cities.

  9. Word Problems Given the picture of the pulley with the weight, answer the following: How many inches will the weight rise if the pulley is rotated through an angle of 71° 50’ ?

  10. Remember:

  11. PART B: Through what angle, to the nearest minute, must the pulley be rotated to raise the weight 6 in? Remember:

  12. III. Areas of Sectors ***When using this formula, you must be in radians!!

  13. ExamplesRemember:

  14. ExamplesRemember: and

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