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mrs.biersackxx

  • one year ago

A cone shaped hat is shown: A cone is shown with slant height 14 cm and radius 6.2 cm. The unknown height is labeled with a question mark, and the line joining the tip of the cone to the base is perpendicular to the base. What is the approximate height of the hat? 2.79 centimeters because height = Square root of the difference of 14 and 6.2 4.49 centimeters, because height = Square root of the sum of 14 and 6.2 12.55 centimeters, because height = Square root of the difference of squares of 14 and 6.2 15.31 centimeters, because height = Square root of the sum of the squares of 14 and 6.2

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  1. mrs.biersackxx
    • one year ago
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  2. mrs.biersackxx
    • one year ago
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    sorry i coped and paste and the problem looks a lil weird

  3. jim_thompson5910
    • one year ago
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    pull out the triangle |dw:1444520785797:dw|

  4. jim_thompson5910
    • one year ago
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    replace the question mark with x |dw:1444520832965:dw|

  5. jim_thompson5910
    • one year ago
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    |dw:1444520860604:dw|

  6. mrs.biersackxx
    • one year ago
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    but doesnt the cone have a different equation

  7. jim_thompson5910
    • one year ago
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    we will use the pythagorean theorem to find x a^2 + b^2 = c^2 x^2 + 6.2^2 = 14^2 x^2 + 38.44 = 196 x^2 + 38.44 - 38.44 = 196 - 38.44 x^2 + 0 = 157.56 x^2 = 157.56 x = ???

  8. mrs.biersackxx
    • one year ago
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    78.78

  9. mrs.biersackxx
    • one year ago
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    ?

  10. jim_thompson5910
    • one year ago
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    you don't divide both sides by 2

  11. jim_thompson5910
    • one year ago
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    you apply the square root to both sides

  12. mrs.biersackxx
    • one year ago
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    oh

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