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anonymous

  • one year ago

WILL MEDAL (Explain as well as you can please.) The formula for the slant height of a cone is , where S is surface area of the cone. Use the formula to find the slant height, l, of a cone with a surface area of 500π ft2 and a radius of 15 ft. l =?? ft

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  1. anonymous
    • one year ago
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    IF 3+3=9 I BELIEVE THE ANSWER IS B

  2. perl
    • one year ago
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    Is the formula given for the slant height ?

  3. anonymous
    • one year ago
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    here it is! Sorry!

  4. perl
    • one year ago
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    We can plug in S and r into the formula

  5. anonymous
    • one year ago
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    Yeah because those are given in the problem but aren't I suppose to solve for the variable? Or ... if I do that am I already doing that?

  6. perl
    • one year ago
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    Here we don't have to solve. just plug in :) $$ \large l=\frac{S - \pi r^2 }{\pi} $$

  7. anonymous
    • one year ago
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    Oh okay. I'll do it now.

  8. anonymous
    • one year ago
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    I got 275 ft

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