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crystal1

  • 2 years ago

Two similar cones are shown in the image below. What is the approximate surface area of the larger cone? 1544.4 square yards 978.5 square yards 2,162.3 square yards 1,103.1 square yards

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  1. crystal1
    • 2 years ago
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  2. across
    • 2 years ago
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    This is a proportion problem; you need to know how to set up a proportion to estimate the radius of the larger cone. You also need to know how to compute the surface area of a cone. Where are you stuck?

  3. crystal1
    • 2 years ago
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    everything

  4. crystal1
    • 2 years ago
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    @bngaure @bobbylynn @EsmeraldaT @eliassaab @Emily_Martin_14 @RioAnne

  5. across
    • 2 years ago
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    I'll give you a hint: the surface area of a cone is\[SA=\pi r^2+\pi rl,\]where|dw:1346792025872:dw|

  6. across
    • 2 years ago
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    That's about half of the problem right there, and what do you mean with "everything"?

  7. Emily_Martin_14
    • 2 years ago
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    why did you tag me in this?

  8. crystal1
    • 2 years ago
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    cause i need helpppppppppppppppppppppppppppppppppppppppppp

  9. Emily_Martin_14
    • 2 years ago
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    oh k well im really sorry i dont know this :( do you have a formula for finding the surface of a cone?

  10. across
    • 2 years ago
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    Sometimes I really wonder if people can see my posts, lol.

  11. Emily_Martin_14
    • 2 years ago
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    lol

  12. crystal1
    • 2 years ago
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    how you do that!!!!!!

  13. Emily_Martin_14
    • 2 years ago
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    @crystal1 the other girl across is helping you find the answer

  14. Emily_Martin_14
    • 2 years ago
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    @crystal1 umm what grade r u in?

  15. crystal1
    • 2 years ago
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    10

  16. Emily_Martin_14
    • 2 years ago
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    oh thats why i dont understand it in only in 9th

  17. crystal1
    • 2 years ago
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    lol

  18. across
    • 2 years ago
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    I don't think @crystal1 wants my help. <:) Oh well, good luck!

  19. crystal1
    • 2 years ago
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    yes i do

  20. Emily_Martin_14
    • 2 years ago
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    well take her help and work it out

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