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anonymous

  • one year ago

8.) The lateral area of a cone is 612 pi cm^2. The radius is 43 cm. What is the slant height to the nearest tenth of a centimeter? My answer: 9.1 cm. Is that correct? 9.) What is the lateral area and the surface area of the cone shown below? Round the answer to the nearest tenth. The figure is not drawn to scale.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    my answer: LA= 1,187.5 ft^2, SA= 1,803.3ft ^2. Is that correct?

  3. anonymous
    • one year ago
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    @mathstudent55 @pooja195

  4. anonymous
    • one year ago
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    @jim_thompson5910

  5. anonymous
    • one year ago
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    @kropot72

  6. anonymous
    • one year ago
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    @nincompoop

  7. jim_thompson5910
    • one year ago
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    lateral area \[\Large LA = \pi*r*s\] r = radius s = slant height

  8. anonymous
    • one year ago
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    mhm

  9. jim_thompson5910
    • one year ago
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    so LA = pi*r*s 612*pi = pi*43*s solve for s

  10. anonymous
    • one year ago
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    I am guessing that I didn't do 8. correctly?

  11. jim_thompson5910
    • one year ago
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    yes, #8 is incorrect

  12. anonymous
    • one year ago
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    darn. Is it 14.2?

  13. jim_thompson5910
    • one year ago
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    yes

  14. anonymous
    • one year ago
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    okay. Thanks you for correcting me

  15. jim_thompson5910
    • one year ago
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    I agree with what you got for #9

  16. anonymous
    • one year ago
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    Alrighty.

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