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babydoll332 Group Title

Use the arc length formula and the given information to find r. s = 12 cm, θ = 36°; r = ?

  • 2 years ago
  • 2 years ago

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  1. babydoll332 Group Title
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    30/pi or 60/pi im not sure please help wich 1 i think its deff 30/pi

    • 2 years ago
  2. dpaInc Group Title
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    the formula is s = r*theta, where theta is given in RADIANS. so you should first convert that degree measure into radians then you can use the formula.

    • 2 years ago
  3. babydoll332 Group Title
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    check

    • 2 years ago
  4. dpaInc Group Title
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    ???

    • 2 years ago
  5. babydoll332 Group Title
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    i did this

    • 2 years ago
  6. dpaInc Group Title
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    \(\large \theta = 36 \cancel {deg} \cdot \frac{\pi rad}{180 \cancel {deg}}=\frac{ \pi }{5} \text radians \)

    • 2 years ago
  7. dpaInc Group Title
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    so now, \(\large 12=\frac{\pi}{5}\cdot r \rightarrow r=\frac{60}{\pi}\)

    • 2 years ago
  8. babydoll332 Group Title
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    oh i see thank you so much

    • 2 years ago
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